阅读说明：本技术 竖向调节头枕的调节件及多向调节的头枕 (Adjusting part for vertically adjusting headrest and multidirectional-adjusting headrest ) 是由 金虎 曹连 于 2020-04-15 设计创作，主要内容包括：本发明涉及一种竖向调节头枕的调节件及多向调节的头枕,其包括用于支撑头枕的支撑杆,所述支撑杆的侧壁上开设有多个截面呈锐角状的卡槽,卡槽的开口朝斜上方设置,卡槽沿支撑杆长度方向分布,还包括沿水平方向滑移连接在头枕内部的卡板,卡板上开设有有用于套设在支撑杆上的安装孔,安装孔处的卡板能够自由插入卡槽内部或从卡槽内部移出,卡板上固定连接有驱使安装孔部分的卡板插接在卡槽内部的第一弹性件。本发明具有结构简单,更加耐用,成本更低的效果。(The invention relates to an adjusting piece for vertically adjusting a headrest and a multidirectional-adjusting headrest, which comprise a supporting rod for supporting the headrest, wherein a plurality of clamping grooves with acute-angle-shaped sections are formed in the side wall of the supporting rod, the openings of the clamping grooves are arranged obliquely upwards, the clamping grooves are distributed along the length direction of the supporting rod, the multidirectional-adjusting headrest further comprises a clamping plate which is connected in the headrest in a sliding manner along the horizontal direction, a mounting hole which is sleeved on the supporting rod is formed in the clamping plate, the clamping plate at the mounting hole can be freely inserted into or removed from the clamping groove, and a first elastic piece which drives the clamping plate at the mounting hole part to be inserted into the clamping groove is fixedly connected to the clamping. The invention has the advantages of simple structure, more durability and lower cost.)

1. An adjusting piece of a vertical adjustment headrest, comprising a support rod (13) for supporting the headrest, characterized in that: offer a plurality of cross-sections draw-in groove (131) that are the acute angle shape on the lateral wall of bracing piece (13), the opening of draw-in groove (131) sets up towards oblique top, draw-in groove (131) distribute along bracing piece (13) length direction, still include along horizontal direction slip connection at the inside cardboard (41) of headrest, seted up on cardboard (41) and be used for the cover to establish mounting hole (417) on bracing piece (13), cardboard (41) of mounting hole (417) department can freely insert inside draw-in groove (131) or shift out from inside draw-in groove (131), fixedly connected with orders about cardboard (41) of mounting hole (417) part and pegs graft first elastic component (416) inside draw-in groove (131).

2. The adjuster of a vertically adjustable headrest according to claim 1, characterized by: the supporting rod (13) comprises a rod-shaped structure bent into a U shape, the clamping grooves (131) are formed in two parallel parts of the U-shaped supporting rod (13), and the clamping grooves (131) are located on the same side of the two parts.

3. The adjuster of a vertically adjustable headrest according to claim 1, characterized by: the clamping plate (41) at the mounting hole (417) is fixedly connected with a reinforcing plate (413) made of hard wear-resistant materials, and the first elastic piece (416) drives the reinforcing plate (413) to be inserted into the clamping groove (131).

4. A multi-directional adjustable headrest characterized by: the adjusting piece of the vertical adjusting headrest comprises the adjusting piece of the vertical adjusting headrest as claimed in claims 1 to 3, and further comprises an inner core (3) connected with the support rod (13) in a sliding manner along the vertical direction, the inner core (3) is fixedly connected with the clamping plate (41), the inner core (3) is fixedly connected with an outer shell (1) covering the inner core (3) and the adjusting piece of the vertical adjusting headrest, and the outer shell (1) is fixedly connected with a driving assembly (2) for driving the clamping plate (41) to move;

the inner wall of the shell (1) is fixedly connected with a guide rail (113) which forms an included angle with the vertical direction, one side of the guide rail (113) is fixedly provided with a ratchet rack (114) which is distributed with a plurality of ratchets along the length direction of the guide rail (113), the guide rail (113) which is connected with the ratchet rack (114) is connected with the inner core (3) in a sliding way along the length direction of the guide rail (113), the inner core (3) is connected with a clamping rod (43) which is matched with the ratchet rack (114) in a sliding way along the clamping plate (41), the inner core (3) is fixedly connected with a second elastic part (443) which drives the clamping rod (43) to be inserted into two adjacent ratchets on the ratchet rack (114), the clamping rod (43) and the clamping plate (41) are clamped in the sliding way along the clamping plate (41) away from the clamping groove (131), and the, the clamping plate (41) is inserted into the clamping groove (131), and the shell (1) is provided with a sliding groove (124) for the supporting rod (13) to slide.

5. The adjuster of a vertically adjustable headrest according to claim 4, characterized in that: inner core (3) inside fixedly connected with stabilizing sleeve (5), stabilizing sleeve (5) including be used for the cover to establish fixed part (51) on bracing piece (13) and a plurality of to offering on bracing piece (13) that draw-in groove (131) part extends stablizes portion (52), leave the space that supplies draw-in groove (131) to spill and by the joint between two stablizes portion (52) on same fixed part (51), stablizes portion (52) are wavy buckling into with bracing piece (13) lateral wall complex platelike, and form on its lateral wall to the lateral wall direction protrusion of bracing piece (13) and support protruding stupefied (55) on bracing piece (13) lateral wall tightly.

6. The adjuster of a vertically adjustable headrest according to claim 4, characterized in that: the driving assembly (2) comprises a switch box (22) fixedly connected to the shell (1), a switch core (25) connected with the switch box (22) in a sliding mode along the sliding direction of the clamping plate (41) and a third elastic piece (24) driving the switch core (25) to move back to the direction of the clamping plate (41), and one end of the switch core (25) penetrates through the switch box (22) and extends into the shell (1).

7. The adjuster of a vertically adjustable headrest according to claim 4, characterized in that: the shell (1) comprises a front shell (11) and a rear shell (12) which divide the sliding groove (124) into two parts, a plurality of groups of mutually matched outer buckles (111) and outer clamping grooves (121) are jointly arranged on the front shell (11) and the rear shell (12), and the outer buckles (111) and the outer clamping grooves (121) are at least located on two opposite sides of the shell (1).

8. The adjuster of a vertically adjustable headrest according to claim 7, characterized by: be equipped with multiunit direction subassembly (14) jointly on the inner wall of preceding shell (11) and the inner wall of backshell (12), direction subassembly (14) including set firmly guide bar (141) and uide bushing (142) on preceding shell (11) inner wall and backshell (12) inner wall respectively, when outer buckle (111) and outer draw-in groove (121) joint, guide bar (141) insert inside and the two transition fit of uide bushing (142).

9. The adjuster of a vertically adjustable headrest according to claim 4, characterized in that: the guide frame (44) that the common fixedly connected with in both ends of kelly (43) set up around guide rail (113), inner core (3) inside offer with guide frame (44) complex direction chamber, inner core (3) bottom surface is offered and is supplied guide frame (44) to pass cardboard (41) and put into the inside installation passageway (35) in direction chamber.

10. The adjuster of a vertically adjustable headrest according to claim 4, characterized in that: the inner side wall of the shell (1) is fixedly connected with a positioning piece (115) which is spliced with the inner core (3), and the inner core (3) is clamped with the shell (1) in the vertical direction.

Technical Field

The invention relates to the technical field of automobile seats, in particular to an adjusting piece for vertically adjusting a headrest and a multidirectional-adjusting headrest.

Background

The car seat headrest is car seat's core component, plays the effect that supports the person of taking the head, and the seat headrest need not provide reliable head for the person of taking and supports, not only can alleviate and take fatigue, can also protect person of taking head and neck in the traffic accident, reduces the injury in the accident. .

The headrest of the seat can be adjusted to a proper height according to different statures of different people to play a role in protecting the head and the neck of a passenger, so the headrest generally has two lifting adjusting directions, a lifting two-direction adjusting mechanism of the headrest is generally controlled by a horizontally arranged push block, a lock plate and other structures, the stability of a locking assembly and the structures of the push block and other parts forming the locking assembly directly influence the stability and the reliability of the two-direction adjusting performance of the headrest of the seat, the two-direction locking assembly on the market is complex to install, low in installation efficiency, poor in stability in the subsequent use process, large in required space in the unlocking process, namely, the required headrest shell is larger and poor in compactness, and generally only one side of a headrest rod can be unlocked, so that the headrest is inflexible to adjust and is easy to block, the performance of the headrest is poor, secondly, a common bidirectional headrest on the market is unlocked at the top of a backrest of a seat and separated from the headrest, people need to turn back and adjust the headrest repeatedly without hands, the headrest is inconvenient, and many users even do not know that the headrest can be adjusted.

Disclosure of Invention

In view of the deficiencies of the prior art, it is an object of the present invention to provide an adjuster for a vertically adjustable headrest that is simpler in construction and less likely to wear.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an adjusting part of vertical regulation headrest, is including the bracing piece that is used for supporting the headrest, set up the draw-in groove that a plurality of cross-sections are the acute angle form on the lateral wall of bracing piece, the opening of draw-in groove sets up towards oblique top, the draw-in groove distributes along bracing piece length direction, still include to slide along the horizontal direction and connect the inside cardboard at the headrest, it establishes the mounting hole on the bracing piece to have been seted up to be used for the cover to establish on the cardboard, the cardboard of mounting hole department can freely insert inside the draw-in groove or shift out from the draw-in groove is inside, fixedly connected with orders about the cardboard of mounting.

By adopting the technical scheme, the clamping plate is enabled to stably stay in the clamping groove through the first elastic piece by inserting and separating the clamping plate provided with the mounting hole and the clamping groove on the supporting rod, namely, a user can connect the headrest and the clamping plate together by pressing the clamping plate to compress the first elastic piece, so that the clamping plate at the mounting hole can be separated from the clamping groove, and further the height of the headrest is adjusted; compared with the scheme disclosed in the prior art, the scheme provided by the application realizes the same effect through an obviously simpler structure, and because the matching relation between the gear and the rack in the prior art can be obviously worsened along with the increase of the use times, the material of the gear and the rack needs to be replaced through a mode of greatly improving the cost, the processing difficulty is obviously improved, so that the scheme can also better avoid or obviously weaken the defects, and the working stability, the cost and the processing and assembling difficulty are obviously better than those in the prior art.

The present invention in a preferred example may be further configured to: the supporting rod comprises a rod-shaped structure bent into a U shape, the clamping grooves are formed in two parallel parts of the U-shaped supporting rod, and the clamping grooves are located on the same side of the two parts.

Through adopting above-mentioned technical scheme, the bracing piece of buckling into the U type can be to the headrest that will install on it providing more stable support spacing, reduces the headrest and takes place circumferential direction's probably for the headrest can provide stable support to user's head, and two vertical dispersions that are used for simultaneously the part that headrest and saddle are connected can be better come from user's head's strength, have improved job stabilization nature.

The present invention in a preferred example may be further configured to: the reinforcing plate made of hard wear-resistant materials is fixedly connected to the clamping plate at the mounting hole, and the first elastic piece drives the reinforcing plate to be inserted into the clamping groove.

By adopting the technical scheme, the clamping plate at the mounting hole needs to be repeatedly inserted into the clamping groove, separated from the clamping groove and inserted into the clamping groove, so that the abrasion of the position relative to other positions of the clamping plate is larger, the fixation of the height of the headrest is realized by the fact that the clamping plate at the mounting hole abuts against the supporting rod at the clamping groove, the clamping plate at the mounting hole needs to have higher strength, the requirements can be met by arranging the reinforcing sheet, the material of the clamping plate or other parts does not need to be adjusted, the processing and assembling difficulty is not obviously improved, and the cost is lower.

A multi-directional adjustable headrest characterized by: the adjusting piece of the vertical adjusting headrest of claims 1 to 3, further comprising an inner core connected with the support rod in a sliding manner along the vertical direction, wherein the clamping plate is clamped with the inner core in the vertical direction, the inner core is fixedly connected with an outer shell covering the inner core and the adjusting piece of the vertical adjusting headrest, and the outer shell is fixedly connected with a driving component for driving the clamping plate to move;

fixedly connected with is the guide rail that the contained angle set up with vertical direction on the shell inner wall, guide rail one side has set firmly the ratchet that has distributed a plurality of ratchets along guide rail length direction, the guide rail that is connected with the ratchet slides along the length direction of guide rail with the inner core and is connected, the inner core is inside to slide along cardboard sliding direction and be connected with ratchet complex kelly, fixedly connected with orders about the second elastic component between two adjacent ratchets that the kelly inserted on the ratchet on the inner core, kelly and cardboard are along the cardboard joint on the sliding direction that leaves the draw-in groove, when the kelly is pegged graft between two adjacent ratchets, the cardboard is pegged graft inside the draw-in groove, set up the spout that supplies.

By adopting the technical scheme, in the using process, as the clamping plate is clamped with the inner core in the vertical direction and the clamping plate can slide, therefore, after the clamping plate is pressed, the clamping plate is separated from the clamping groove, the inner core can be driven by moving the outer shell, and the clamping plate is further driven to move together in the vertical direction, after the clamping plate is moved to a proper position, the clamping plate can be loosened, the clamping plate is reset through the first elastic piece and is inserted into a new clamping groove again, the height of the shell is further fixed, and certainly, because the section of the clamping groove is in an acute angle and the opening is arranged obliquely upwards, when a user directly pulls the shell, the clamping plate can move obliquely upwards along the side wall with higher horizontal position on the clamping groove, at the moment, the first elastic piece is compressed, when a next clamping groove is met, the clamping plate can be automatically inserted into the new clamping groove under the reset action of the first elastic piece, namely, a user can also lift the height of the shell in a mode of directly pulling the shell; in addition, when the cardboard was pressed that is first elastic component compressed, because the kelly with the cardboard along the cardboard leave the card slot on the glide direction joint, so the kelly can together remove along with the cardboard, and then leaves between two adjacent ratchets on the ratchet, the headrest just can not only reciprocate this moment, more can the back-and-forth movement.

The present invention in a preferred example may be further configured to: the inside fixedly connected with stabilizing sleeve of inner core, stabilizing sleeve sets up the stationary part that the draw-in groove part extends including being used for the cover to establish on the bracing piece and a plurality of to offering on the bracing piece, leave the space that supplies the draw-in groove to spill and by the joint between two stationary parts on same stationary part, stabilizing part is wavy buckling into with bracing piece lateral wall complex platelike, and form on its lateral wall to the lateral wall direction protrusion of bracing piece and support tightly protruding stupefied on the bracing piece lateral wall, in addition, it buckles and protruding stupefied setting can both reduce the area of contact between stabilizing sleeve and the bracing piece under compensation tolerance's prerequisite to be wavy, the frictional force that receives when having reduced the bracing piece and sliding.

Through adopting above-mentioned technical scheme, the fixed part is used for being connected stabilizing sleeve and inner core stability, stabilizing part is owing to be wavy buckling and form on its lateral wall to the lateral wall direction protrusion of bracing piece and support tightly protruding stupefied on the bracing piece lateral wall, so can compensate bracing piece and inner core existence tolerance in the course of working, can make the inner core of installing on the bracing piece more stable, reduce the possibility that the inner core produced and rocks after the number of times of sliding increases between inner core and the bracing piece, make whole working process more stable, make the headrest can exert more stable effectual spacing and supporting role to user's head.

The present invention in a preferred example may be further configured to: the drive assembly comprises a switch box fixedly connected to the shell, a switch core connected with the switch box in a sliding mode along the sliding direction of the clamping plate, and a third elastic piece driving the switch core to move back to the direction of the clamping plate, wherein one end of the switch core penetrates through the switch box and extends into the shell.

Through adopting above-mentioned technical scheme, through setting up the drive assembly on the shell, can be convenient to the cardboard application of force, can make the cardboard atress and slide through pressing the switch core for the cardboard of mounting hole department shifts out the draw-in groove, and then realizes that the inner core drives the whole vertical direction and the horizontal direction removal of headrest, and the setting of third elastic component can make the switch core after being pressed reset simultaneously, convenient to use user's next use.

The present invention in a preferred example may be further configured to: the shell includes preceding shell and the backshell that divides the spout into two parts, is equipped with multiunit outer buckle and the outer draw-in groove of mutually supporting on preceding shell and the backshell jointly, and outer buckle is located the shell relative both sides with outer draw-in groove at least.

Through adopting above-mentioned technical scheme, the shell can be installed and dismantled to the person of facilitating the use by the setting of outer buckle and outer draw-in groove, and the person of facilitating the use is whole to be maintained and is changed the headrest, and the holistic installation of headrest is also more simple and convenient, when the headrest internals appears damaging, can maintain the change to single part through the mode of opening the shell, has reduced the maintenance cost for the whole replacement headrest.

The present invention in a preferred example may be further configured to: be equipped with multiunit direction subassembly jointly on the inner wall of preceding shell and the inner wall of backshell, the direction subassembly is including setting firmly guide bar and the uide bushing on preceding shell inner wall and backshell inner wall respectively, and when outer buckle and outer draw-in groove joint, the guide bar inserts inside and the two transition fit of uide bushing.

Through adopting above-mentioned technical scheme, the setting of direction subassembly can provide the direction when preceding shell and backshell equipment for preceding shell and backshell can be more accurate stable connection form the shell, and the setting of direction subassembly can also promote the positive overall structure intensity of head simultaneously, has reduced the headrest and is receiving the broken possibility of impacted style, has improved the protection effect of headrest to the user.

The present invention in a preferred example may be further configured to: the common fixedly connected with in both ends of kelly encircles the guide frame that the guide rail set up, the inner core is inside to be seted up with guide frame complex direction chamber, the inner core bottom surface is seted up and is supplied the guide frame to pass the cardboard and put into the inside installation passageway in direction chamber.

Through adopting above-mentioned technical scheme, the kelly slides and connects inside the inner core, but through the setting of installation passageway and guide frame, can make the kelly can be dismantled by convenient equipment, the setting of guide frame has increased simultaneously with the area of contact between the other inner cores for the kelly slides more stably in the inner core is inside, has further improved job stabilization nature.

The present invention in a preferred example may be further configured to: the inner side wall of the shell is fixedly connected with a positioning piece inserted with the inner core, and the inner core and the shell are clamped in the vertical direction.

Through adopting above-mentioned technical scheme, just can realize the joint in vertical side between inner core and the shell through the setting element for the inner core can drive the shell and move in vertical side under the prerequisite that does not influence shell horizontal direction removal, simultaneously because peg graft between setting element and the inner core, so convenient to use person installs and dismantles, and in addition, the setting of setting element can also improve the holistic structural strength of headrest, has further improved the protection effect of headrest to the user.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the clamping plate can stably stay in the clamping groove through the first elastic piece, namely, a user can connect the headrest and the clamping plate together, and the clamping plate at the mounting hole can be separated from the clamping groove by pressing the clamping plate to compress the first elastic piece, so that the height of the headrest is adjusted; compared with the scheme disclosed in the prior art, the scheme provided by the application realizes the same effect through an obviously simpler structure, and as the matching relationship between the gear and the rack in the prior art is obviously deteriorated along with the increase of the use times, the materials of the gear and the rack need to be replaced by a mode of greatly improving the cost to prolong the service life, and the processing difficulty is obviously improved, the scheme can better avoid or obviously weaken the defects, and the working stability, the cost and the processing and assembling difficulty are obviously better than those in the prior art;

2. in the use process, as the clamping plate is clamped with the inner core in the vertical direction and the clamping plate can slide, therefore, after the clamping plate is pressed, the clamping plate is separated from the clamping groove, the inner core can be driven by moving the outer shell, and the clamping plate is further driven to move together in the vertical direction, after the clamping plate is moved to a proper position, the clamping plate can be loosened, the clamping plate is reset through the first elastic piece and is inserted into a new clamping groove again, the height of the shell is further fixed, and certainly, because the section of the clamping groove is in an acute angle and the opening is arranged obliquely upwards, when a user directly pulls the shell, the clamping plate can move obliquely upwards along the side wall with higher horizontal position on the clamping groove, at the moment, the first elastic piece is compressed, when a next clamping groove is met, the clamping plate can be automatically inserted into the new clamping groove under the reset action of the first elastic piece, namely, a user can also lift the height of the shell in a mode of directly pulling the shell; in addition, when the clamping plate is pressed, namely the first elastic piece is compressed, the clamping rod and the clamping plate are clamped in a sliding direction along which the clamping plate leaves the clamping groove, so that the clamping rod can move together with the clamping plate and further leave between two adjacent ratchets on the ratchet bar, and the headrest can move up and down and can move back and forth;

3. the inside fixedly connected with stabilizing sleeve of inner core, stabilizing sleeve sets up the stationary part that the draw-in groove part extends including being used for the cover to establish on the bracing piece and a plurality of to offering on the bracing piece, the draw-in groove both sides are located to stabilizing part, stabilizing part is wavy buckling into with bracing piece lateral wall complex platelike, and form on its lateral wall to the lateral wall direction protrusion of bracing piece and support tightly protruding stupefied on the bracing piece lateral wall, in addition, it buckles and protruding stupefied setting can both reduce the area of contact between stabilizing sleeve and the bracing piece under compensation tolerance's prerequisite to be wavy, the frictional force that receives when having reduced the bracing piece and sliding.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing a structure of a support bar in the embodiment;

FIG. 3 is an enlarged view of a portion A of FIG. 2 showing a card slot structure;

FIG. 4 is a schematic view showing the position of the core after the outer case is opened in the embodiment;

FIG. 5 is an enlarged view of the portion B of FIG. 4 showing the position of the guide rail;

FIG. 6 is an enlarged view of the portion C of FIG. 4 showing the position of the guide slot;

fig. 7 is a schematic diagram illustrating a riser structure in an embodiment;

FIG. 8 is an enlarged view of the portion D of FIG. 7 showing the structure of the guide frame;

FIG. 9 is a schematic view showing a structure of a mounting ring in the embodiment;

FIG. 10 is a schematic view showing a structure of a rear case in the embodiment;

FIG. 11 is an enlarged view of section E of FIG. 9 showing the construction of the drive assembly;

fig. 12 is an enlarged view of a portion F of fig. 10 showing a structure of the switch core;

FIG. 13 is a schematic view showing the position of the stabilizer sleeve in the embodiment;

FIG. 14 is an enlarged view of the portion G of FIG. 13 showing the position of the slide passage;

FIG. 15 is an enlarged view of the portion H of FIG. 13 showing the structure of the stabilizer sleeve;

fig. 16 is an enlarged view of a portion I of fig. 13 showing the structure of the stabilizer.

In the figure, 1, a housing; 11. a front housing; 111. an outer buckle; 112. fixing the rod; 113. a guide rail; 114. a guide groove; 115. a positioning member; 116. positioning a rod; 12. a rear housing; 121. an outer clamping groove; 122. an insertion block; 123. fixing a sleeve; 124. a chute; 13. a support bar; 131. a card slot; 14. a guide assembly; 141. a guide bar; 142. a guide sleeve; 2. a drive assembly; 21. a mounting ring; 211. a cartridge slot; 22. a switch box; 221. a box buckle; 222. a box through slot; 223. a box guide through slot; 224. a cartridge central bore; 225. a cartridge auxiliary hole; 23. a third spring; 24. a third elastic member; 25. a switch core; 251. a core is buckled; 252. a positioning claw; 253. a center pole; 254. a guide plate; 3. an inner core; 31. sleeving a block; 32. positioning holes; 33. a guide groove; 34. connecting grooves; 35. installing a channel; 36. a second shift lever; 37. a first shift lever; 38. a locking groove; 39. a slipping channel; 4. a fixing hole; 41. clamping a plate; 411. cross plates; 412. a vertical plate; 413. a reinforcing sheet; 414. a first mounting block; 415. a first spring; 416. a first elastic member; 417. mounting holes; 42. a fixing plate; 421. a baffle plate; 422. a claw; 43. a clamping rod; 44. a guide frame; 441. a second mounting block; 442. a second spring; 443. a second elastic member; 45. a butt joint groove; 5. a stabilizing sleeve; 51. a fixed part; 52. a stabilizer; 53. a locking buckle; 54. locking the buckle; 55. convex edges; 6. and locking the clamping groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the disclosed multidirectional adjustment headrest of the present invention includes a support rod 13 bent into three parts in a U-shape, wherein the support rod 13 of the U-shape in this embodiment includes two parts vertically disposed and a part horizontally disposed between the two parts. The shell 1 comprises a front shell 11 and a rear shell 12 clamped with the front shell 11, outer buckles 111 arranged towards the rear shell 12 are fixedly arranged on four side walls of the front shell 11, outer clamping grooves 121 matched with the outer buckles 111 are formed in the side walls of the rear shell 12, and a connecting seam is formed after the front shell 11 and the rear shell 12 are closed to form the shell 1. The front shell 11 and the rear shell 12 simultaneously cover two bent parts of the U-shaped support rod 13.

Referring to fig. 2 and 3, the two vertical portions of the supporting rod 13 are both provided with a clamping groove 131, the clamping groove 131 includes two side walls which are arranged at an acute angle, one of the side walls is arranged horizontally, the other side wall is arranged towards the oblique upper side of one side of the supporting rod 13, and the openings of the clamping grooves 131 in the two vertical portions of the supporting rod 13 are arranged towards the same side. (except for the specific description or the drawings, the orientation of the support rod 13 in all the drawings in the embodiment is the same as that shown in FIG. 2, i.e., the position and orientation of the slot 131 are fixed in the following and the subsequent drawings)

Referring to fig. 4 and 5, a horizontally disposed guide rail 113 is fixedly connected inside the front housing 11, two vertical sections of the support rod 13 are respectively disposed at two sides of the guide rail 113, and the horizontal section of the support rod 13 is perpendicular to the length direction of the guide rail 113. A ratchet bar 114 is fixedly connected to one side wall of the guide rail 113 along the length direction thereof, and the ratchet bar 114 is structured in a strip shape in which a plurality of ratchet teeth having right-angled triangular cross sections are sequentially connected in a linear direction. The guide rail 113 is inserted with the inner core 3 coated inside the housing 1, and the inner core 3 is connected with the housing 1 in a sliding manner along the length direction of the guide rail 113.

The bottom surface of the outer shell 1 is provided with a sliding groove 124 which penetrates through the outer shell and is arranged along the length direction of the guide rail 113, the sliding groove 124 is used for providing a space for the support rod 13 to slide along with the inner core 3 in the horizontal direction, and the sliding groove 124 is simultaneously formed in the front shell 11 and the rear shell 12.

The inside fixedly connected with of preceding shell 11 of guide rail 113 both sides has two setting elements 115 that are used for fixing a position inner core 3, and setting element 115 in this embodiment includes positioning rod 116 of fixed connection on preceding shell 11 inner wall, and two positioning rods 116 are located guide rail 113 both sides and all are located the inside in the vertical two parts formation areas of bracing piece 13, and positioning rod 116 is pegged graft with inner core 3.

Inner core 3 just establishes piece 31 for the cover that C word and opening set up outwards to two lateral wall top of shell 1 joint seam all fixedly connected with sections, and 12 inner wall edges of backshells fixedly connected with sections are C word and opening set up 31 for the cover that sets up outwards, and preceding shell 11 and backshell 12 are closed when forming shell 1, and grafting piece 122 is pegged graft inside the C word column structure of overlapping piece 31, and grafting piece 122 and the 31 interference fit of overlapping piece.

Still fixedly connected with is used for the direction subassembly 14 of preceding shell 11 and backshell 12 direction when closed shell 1 on the inner wall of shell 1, direction subassembly 14 includes guide bar 141 and the uide bushing 142 of fixed connection on backshell 12 inner wall of fixed connection on the shell 11 inner wall in the front, uide bushing 142 and guide bar 141 coaxial line set up, and the one end of uide bushing 142 runs through the backshell 12 lateral wall and communicates with the external world, direction subassembly 14 has two and is located the both sides edge of shell 1 inner wall respectively, bracing piece 13 is located between two direction subassemblies 14 enclose into the region promptly. When the front case 11 and the rear case 12 are closed to form the housing 1, the guide rod 141 is inserted into the guide sleeve 142, and the connection strength between the guide rod 141 and the guide sleeve 142 may be reinforced by bolts.

The dead lever 112 that the length direction of guide rail 113 set up is followed to fixedly connected with on the preceding shell 11 inner wall of guide rail 113 below, fixedly connected with fixed cover 123 with dead lever 112 coaxial line setting on the inner wall of backshell 12, the other end of fixed cover 123 runs through backshell 12 and communicates with the external world, and when preceding shell 11 and backshell 12 closed formation shell 1, dead lever 112 pegs graft inside fixed cover 123, and can strengthen the joint strength between dead lever 112 and the fixed cover 123 through the bolt.

The inner core 3 is connected with a clamping plate 41 in a sliding manner along the horizontal direction, the clamping plate 41 is horizontally arranged, the length direction of the clamping plate 41 is perpendicular to the length direction of the guide rail 113, the sliding direction of the clamping plate 41 is perpendicular to the length direction of the guide rail 113, and the rear shell 12 is fixedly connected with a driving component 2 for driving the clamping plate 41 to slide along the length direction of the rear shell.

Referring to fig. 5 and 6, two positioning holes 32 for accommodating the positioning rod 116 are formed in the inner core 3, the positioning holes 32 are through holes, when the housing 1 is closed, the positioning rod 116 is inserted into the positioning holes 32, the positioning rod 116 is in interference fit with the positioning holes 32, and two ends of the positioning rod 116 are located outside the positioning holes 32. A guide groove 33 for accommodating the guide rail 113 is formed in the inner core 3 between the two positioning holes 32, the guide groove 33 is a through groove, when the shell 1 is closed, the guide rail 113 is inserted into the guide groove 33, and two ends of the guide rail 113 are located outside the guide groove 33.

Referring to fig. 6 and 7, the clamping plate 41 includes horizontal plates 411 and a vertical plate 412 fixedly arranged at one end of the horizontal plates 411, the vertical plate 412 is located at one side of the inner core 3, a fixing plate 42 bolted to the inner core 3 is arranged below the horizontal plates 411, the length direction of the fixing plate 42 is parallel to the length direction of the horizontal plates 411, two vertically arranged baffle plates 421 are fixedly connected to one side wall of the fixing plate 42, the baffle plates 421 are bolted to the inner core 3, and the horizontal plates 411 are stably stopped below the inner core 3 and above the fixing plate 42 by the fixing plate 42. The bottom surface of the fixing plate 42 protrudes to a lower middle position thereof, and a fixing hole 4 is formed at the protruding position along the length direction of the fixing sleeve 123 (see fig. 4), and the fixing hole 4 is used for accommodating the fixing sleeve 123.

Referring to fig. 8 and 9, the fixing plate 42 is fixedly connected with vertically arranged claws 422 on the side wall opposite to the side wall connected with the baffle 421, the claws 422 have two positions corresponding to the two baffle 421, the inner core 3 is provided with connecting grooves 34 matched with the claws 422, and when the fixing plate 42 is connected with the inner core 3 through bolts, the claws 422 are clamped inside the connecting grooves 34.

The two ends of each lateral plate 411 are respectively provided with a mounting hole 417 penetrating through each lateral plate in the vertical direction, each mounting hole 417 is in a closed elliptical hole shape, a reinforcing plate 413 made of hard wear-resistant material is inserted into a side wall, close to the side where the clamping groove 131 is formed in the support rod 13, in the mounting hole 417, the reinforcing plate 413 is horizontally arranged, one side wall, part of the top surface and part of the bottom surface of the reinforcing plate 413 are located in the mounting hole 417, the side wall, located in the mounting hole 417, of the reinforcing plate 413 is in a plane shape perpendicular to the length direction of the lateral plate 411, the reinforcing plate 413 in this embodiment is a rectangular plate made of high manganese steel, and the reinforcing plate 413 and the lateral plate 411 are bonded while being inserted.

Fixedly connected with vertical first shelves pole 37 that sets up on the bottom surface of inner core 3, set firmly vertical second shelves pole 36 on the inner core 3 bottom surface of first shelves pole 37 one side. The middle position department of cross board 411 is seted up along vertical direction with its butt groove 45 that runs through, butt groove 45 is the square groove form, butt groove 45 have two and along cross board 411 length direction interval distribution.

The fixing plate 42 is in a hollow open box shape, a vertically arranged first mounting block 414 is fixedly connected to the bottom surface of the cross plate 411 between the abutting groove 45 and one end of the cross plate 411, the first mounting block 414 protrudes outwards from a side wall of the abutting groove 45 to form a horizontally arranged columnar structure, a first elastic member 416 for allowing the reinforcing plate 413 to stay inside the clamping groove 131 is arranged on the columnar structure of the first mounting block 414, the first elastic member 416 in this embodiment includes a first spring 415 sleeved on the first mounting block 414, the first blocking rod 37 passes through the abutting groove 45 and extends below the cross plate 411, one end of the first spring 415 abuts against a side wall of the first blocking rod 37, and the first spring 415 is always in a compressed state.

Inside along cross board 411 length direction of inner core 3 slides and is connected with the kelly 43 of vertical setting, fixedly connected with is the connecting frame of C word form on the kelly 43, the both ends of connecting frame respectively with the both ends fixed connection of kelly 43, and the connecting frame that is connected with kelly 43 is confined rectangular frame column structure. The installation channel 35 that runs through the inner core 3 entity below the guide way 33 along vertical direction is seted up to the bottom surface of inner core 3, and installation channel 35 shape forms the connection frame cooperation of rectangular frame dress structure behind the connecting rod with being connected with, and the user can install connecting rod and connection frame inside the inner core 3 or take out from it through installation channel 35.

The bottom surface of the connecting frame is fixedly connected with a vertically arranged second mounting block 441, the second mounting block 441 is L-shaped, the bottom end of the L-shaped second mounting block 441 is arranged toward the extending direction of the guide slot 33, a cylindrical structure which is the same as the cylindrical structure on the first mounting block 414 protrudes outwards from the side wall of the bottom end of the second mounting block 441, a second elastic member 443 which drives the clamping rod 43 to move toward the middle position inside the guide slot 33 is arranged on the cylindrical structure on the second mounting block 441, the second elastic member 443 in the embodiment includes a second spring 442 which is sleeved on the second mounting block 441, the bottom end of the second mounting block 441 with the second spring 442 passes through another abutting slot 45 to be located below the cross plate 411, one end of the second spring 442 abuts against the second stop rod 36, and the second spring 442 is always in a compressed state.

Referring to fig. 9 and 10, a sliding channel 39 surrounding the guide groove 33 is formed on the inner wall of the guide groove 33, and the sliding channel 39 provides a space for sliding the connection frame and the connecting rod (see fig. 8). The vertical section of the supporting rod 13 is sleeved with a stabilizing sleeve 5 in interference fit with the supporting rod, and the stabilizing sleeve 5 is detachably connected inside the inner core 3 and moves in the vertical direction together with the inner core 3.

Referring to fig. 11 and 12, the stabilizing sleeve 5 includes a fixing portion 51 fitted over the supporting rod 13 and a stabilizing portion 52 fixed to an upper end of the fixing portion 51. The fixing portion 51 has two hinged semi-cylindrical structures, and two locking buckles 54 for locking the fixing portion 51 into a cylindrical shape are fixedly connected to the fixing portion 51. In addition, two locking buckles 53 protruding outwards are fixedly connected to the side wall of the fixing portion 51, the two locking buckles 53 are respectively located on two opposite side walls of the fixing portion 51, two side walls of the inner core 3 are respectively provided with a locking clamping groove 6131 for accommodating the locking buckles 53, and the locking buckles 53 can be clamped inside the locking clamping grooves 6131 and move in the vertical direction relative to the support rod 13 along with the inner core 3.

There are two stabilizers 52, and a space for the card slot 131 to leak and be engaged is left between the two stabilizers 52 on the same fixing portion 51. The stabilizer 52 is bent in a wave shape into a plate shape matching with the side wall of the support rod 13, and a convex edge 55 protruding toward the side wall of the support rod 13 and abutting against the side wall of the support rod 13 is formed on the side wall.

Referring to fig. 13 and 14, a mounting ring 21 having a horizontal axis is fixedly connected to a connecting seam at one side of the rear case 12, the axis of the mounting ring 21 is perpendicular to the guide sleeve 142, and the mounting ring 21 directly communicates the inside of the rear case 12 with the outside.

Referring to fig. 15 and 16, the driving assembly 2 includes a switch box 22 detachably connected to the mounting ring 21, a switch core 25 slidably connected to the switch box 22 along the axial direction of the mounting ring 21, and a third elastic member 24 for driving the switch core 25 to move in a direction away from the mounting ring 21. Two box clamping grooves 211131 which extend along the axial direction of the installation ring 21 and penetrate through the installation ring and the side wall of the installation ring are formed in the installation ring 21, two box buckles 221 which are matched with the box clamping grooves 211131 are fixedly connected to the end face, facing the installation ring 21, of the switch box 22, the two box buckles 221 are symmetrically distributed on the switch box 22, and the box buckles 221 can be clamped inside the box clamping grooves 211131 so that the switch box 22 is stably connected with the installation ring 21.

The switch core 25 is just to the positioning claw 252 that fixedly connected with is the claw form that has four stabilizer blades on the terminal surface of collar 21, and the third elastic component 24 includes the third spring 23 between four stabilizer blades of one end grafting and positioning claw 252 in this embodiment, and fixedly connected with is followed well core rod 253 that collar 21 axis direction set up on the terminal surface that the switch core 25 is connected with positioning claw 252, is equipped with outside bellied rectangular form structure on well core rod 253's the lateral wall, and the third spring 23 cover is established on well core rod 253. The end face of the switch box 22 is provided with a box center hole 224 matched with the center rod 253, and the side wall of the box center hole 224 is provided with a box auxiliary hole 225 matched with the outwards-protruded strip-shaped structure on the center rod 253.

The side wall of the switch core 25 is fixedly provided with a core buckle 251 arranged along the axial direction of the mounting ring 21, the side wall and the end surface of the switch box 22 are jointly provided with a box guide through groove 223 matched with the core buckle 251, and the two core buckles 251 are symmetrically distributed on the switch core 25.

The end face of the switch core 25 on one side of the positioning claw 252 is fixedly connected with a guide plate 254 arranged along the axial direction of the mounting ring 21, and the end face of the switch box 22 is provided with a box through groove 222 matched with the guide plate 254. When the box buckle 221 is clamped inside the box clamping groove 211131 and the core buckle 251 is clamped inside the box guide through groove 223, the third spring 23 still has a compression margin, and one end of the guide plate 254 abuts against the vertical plate 412 (fig. 7).

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.