阅读说明：本技术 一种低成本油压缓冲器 (Low-cost oil buffer ) 是由 朱朝平 于 2019-10-16 设计创作，主要内容包括：本发明公开了一种低成本油压缓冲器,涉及油压缓冲器技术领域,包括缓冲器主体、滑移连接在缓冲器主体内的缓冲杆和设于缓冲杆末端的受撞头,受撞头背向缓冲杆的一侧设有消音套,消音套与受撞头之间通过连接件相互固定连接,连接件包括垂直于水平面开设于受撞头内的容纳槽,容纳槽底部设有贯穿受撞头的连接槽,消音套内设有活动槽,活动槽中滑移连接有固定杆,固定杆与容纳槽和连接槽相适配。它能够在若干次撞击消音套开裂损坏后,快速对消音套进行更换,避免消音套损坏后需要将受撞头一起更换,同时消音套的安装拆卸难度更小,整体成本更低,操作时拆装效率高。(The invention discloses a low-cost oil buffer, which relates to the technical field of oil buffers and comprises a buffer main body, a buffer rod connected in the buffer main body in a sliding manner and a collided head arranged at the tail end of the buffer rod, wherein one side of the collided head, which is back to the buffer rod, is provided with a silencing sleeve, the silencing sleeve and the collided head are fixedly connected with each other through a connecting piece, the connecting piece comprises a containing groove which is arranged in the collided head and is vertical to the horizontal plane, the bottom of the containing groove is provided with a connecting groove which penetrates through the collided head, a movable groove is arranged in the silencing sleeve, a fixed rod is connected in the movable groove in a sliding manner, and the fixed. It can be after striking amortization cover fracture damage a plurality of times, change the amortization cover fast, need will be hit the first change after avoiding the amortization cover to damage, and the installation of amortization cover is dismantled the degree of difficulty simultaneously littleer, and overall cost is lower, and the dismouting is efficient during the operation.)

1. The utility model provides a low-cost oil buffer, includes buffer main part (1), slides and connects buffer beam (12) in buffer main part (1) and locates buffer beam (12) terminal head (2) that are collided, its characterized in that: one side of head (2) that is collided dorsad buffer pole (12) is equipped with amortization cover (3), amortization cover (3) and be collided between head (2) through connecting piece (4) mutual fixed connection, holding tank (21) in head (2) are seted up including the perpendicular to horizontal plane to connecting piece (4), holding tank (21) bottom is equipped with spread groove (22) that run through head (2) that is collided, be equipped with movable groove (31) in amortization cover (3), it is connected with dead lever (41) to slide in movable groove (31), dead lever (41) and holding tank (21) and spread groove (22) looks adaptation, dead lever (41) joint is in spread groove (22) during the installation, still be equipped with in amortization cover (3) and be used for driving dead lever (41) to the drive spring (42) that amortization cover (3) circumferencial direction slided, buffer main part (1) bottom is equipped with and is used for fixing mechanism (7).

2. A low cost hydraulic shock absorber according to claim 1, wherein: the fixing rod (41) comprises a driving rod (411) and a locking rod (412) which are horizontally arranged, and a connecting rod (413) which is used for fixing the driving rod (411) and the locking rod (412) is vertically arranged, the fixing rod (41) is integrally arranged in a shape like Contraband, and two ends of a driving spring (42) are respectively fixed at the middle positions of the side wall of the movable groove (31) and the connecting rod (413).

3. A low cost hydraulic shock absorber according to claim 2, wherein: activity groove (31) top is equipped with horizontally drive groove (32), and drive groove (32) run through amortization cover (3) side, and actuating lever (411) are slided and are connected in drive groove (32) to outside extending to amortization cover (3), check lock lever (412) are located amortization cover (3) bottom outside, with spread groove (22) looks adaptation.

4. A low cost hydraulic damper as claimed in claim 3, wherein: the driving rod (411) and the locking rod (412) are located corresponding positions outside the noise reduction sleeve (3) and are provided with pin holes (43) which are vertically arranged, pin shafts (44) penetrate through the pin holes (43), the length of the pin shafts (44) is larger than that of the connecting rod (413), and nuts (45) are connected to two ends of the pin shafts (44) through threads.

5. A low cost hydraulic shock absorber according to claim 1, wherein: amortization cover (3) are including linkage segment (33) and buffer segment (34) of reciprocal anchorage, and linkage segment (33) diameter is the same with head (2) diameter that is collided, and linkage segment (33) top is equipped with fixed slot (35), and buffer segment (34) are whole to be trapezoidal setting, and its bottom inlays to be located in fixed slot (35) and fixed with linkage segment (33) bonding.

6. A low cost hydraulic shock absorber according to claim 1, wherein: the buffer main body (1) comprises a shell (11) and a pressure accumulation sponge (13) arranged in the shell (11), a buffer spring (5) is fixed between the collided head (2) and the shell (11), a connecting spring (6) is arranged in the shell (11), and two ends of the connecting spring (6) are respectively fixed on the bottom of the shell (11) and a buffer rod (12).

7. A low cost hydraulic shock absorber according to claim 1, wherein: fixing mechanism (7) include base (71), and the buffer main part inlays to be established in base (71) and can be rotatory relative base (71), and buffer main part bottom an organic whole is equipped with drive worm (72), is connected with drive worm wheel (73) through pivot (74) in base (71), and drive worm (72) can drive worm wheel (73) rotatory, and drive worm wheel (73) are provided with two sets ofly about drive worm (72) symmetry.

8. A low cost hydraulic damper as claimed in claim 7, wherein: and a driving gear (75) coaxially arranged with the driving worm gear (73) is fixed on the rotating shaft (74), a driving rack (76) is arranged in the base (71), and the driving rack (76) is connected in the base (71) in a sliding manner in the horizontal direction and is meshed with the driving gear (75).

9. A low cost hydraulic damper as claimed in claim 8, wherein: drive gear (75) and drive rack (76) all are equipped with two sets of mutual centrosymmetry, are equipped with opening (77) on base (71), and drive rack (76) can extend to outside base (71) through opening (77).

Technical Field

The invention relates to the technical field of oil buffers, in particular to a low-cost oil buffer.

Background

The hydraulic buffer is used to reduce vibration and noise in the operation of the automatic machine, convert the kinetic energy generated by the moving object into heat energy and release the heat energy into the atmosphere, and effectively stop the object in balance during the operation.

The hydraulic buffer can reduce vibration and noise in the automatic mechanical operation, convert the kinetic energy generated by the moving object into heat energy and release the heat energy into the atmosphere, and effectively stop the object in balance during the operation; the efficiency of the machine is improved, the productivity is increased, the service life of the machine is prolonged, the maintenance cost is reduced, the quality of products is stably maintained through mechanical actions, the operation of the machine is safer, accidents are avoided, the personnel efficiency is improved, and the competitive advantage of enterprises is increased.

The main structure of the hydraulic buffer is composed of a body, a shaft center, a bearing, an inner tube, a piston, a hydraulic shaft, a spring and the like, wherein the shaft center is impacted by external force to drive the piston to extrude hydraulic oil of the inner tube, the hydraulic oil is discharged from oil discharge holes of the inner tube one by one after being pressed, and the hydraulic oil discharged from the inner tube also flows back to the inner tube from an oil return hole of the inner tube; when the external force disappears, the spring rebounds the piston to the initial point to wait for the next action.

At present, chinese patent publication No. CN204664268U discloses an oil buffer, which structurally comprises an oil buffer main body, a buffer nut and a buffer pad, wherein the buffer pad is mounted at an upper end of the buffer nut, and the buffer nut is mounted on the oil buffer main body; by arranging the buffer nut and the buffer pad, when the component moves to be in contact with the buffer head on the main body of the hydraulic buffer at a high speed, the buffer head is extruded and retracted, and the component is decelerated under the action of the main body of the hydraulic buffer; when the buffering head is retreated to the position of the buffering cushion, the buffering cushion buffers the component through compression deformation, and the component finally contacts with the buffering nut to stop, so that the component moving at high speed is decelerated, buffered and positioned.

Although the service life of the hydraulic buffer can be prolonged, the noise reduction sleeve is generally fixed on the head of the hydraulic buffer and replaces the head of the hydraulic buffer to directly contact with the impact object, so the noise reduction sleeve is easy to crack and damage after receiving a plurality of impacts, the head of the hydraulic buffer can still be used at the moment, the head of the hydraulic buffer needs to be replaced when the hydraulic buffer is replaced, the replacement difficulty is high, and the cost is higher.

Disclosure of Invention

In order to solve the technical problems, the invention provides a low-cost oil buffer, which comprises a buffer main body, a buffer rod connected in the buffer main body in a sliding manner and a collided head arranged at the tail end of the buffer rod, wherein a silencing sleeve is arranged on one side of the collided head, which is back to the buffer rod, the silencing sleeve and the collided head are fixedly connected with each other through a connecting piece, the connecting piece comprises a containing groove arranged in the collided head and perpendicular to the horizontal plane, the bottom of the containing groove is provided with a connecting groove penetrating through the collided head, a movable groove is arranged in the silencing sleeve, a fixed rod is connected in the movable groove in a sliding manner and is matched with the containing groove and the connecting groove, the fixed rod is clamped in the connecting groove during installation, a driving spring for driving the fixed rod to slide towards the circumferential direction of the silencing sleeve is also arranged in the silencing sleeve.

The technical effects are as follows: can be after striking amortization cover fracture damage a plurality of times, change the amortization cover fast, need will be hit the first change after avoiding the amortization cover to damage, the installation of amortization cover is dismantled the degree of difficulty simultaneously littleer, and overall cost is lower, and dismouting during the operation is efficient.

The technical scheme of the invention is further defined as follows:

furthermore, the dead lever includes actuating lever and the check lock pole that the level set up to and set up the connecting rod that is used for fixed actuating lever and check lock pole perpendicularly, and the dead lever wholly is "Contraband" font setting, and the drive spring both ends are fixed in activity groove lateral wall and connecting rod intermediate position respectively.

A low-cost hydraulic buffer, the activity groove top be equipped with horizontally drive groove, the drive groove runs through the amortization cover side, the actuating lever slides and connects in the drive groove to outside extending to the amortization cover, the check lock lever is located amortization cover bottom outside, with connecting slot looks adaptation.

According to the low-cost oil buffer, the driving rod and the locking rod are provided with the pin holes which are vertically arranged at corresponding positions outside the silencing sleeve, the pin shaft penetrates through the pin holes, the length of the pin shaft is larger than that of the connecting rod, and the two ends of the pin shaft are connected with nuts through threads.

The low-cost oil buffer, amortization cover include the linkage segment and the buffer segment of reciprocal anchorage, the linkage segment diameter is the same with the head diameter that is hit, and the linkage segment top is equipped with the fixed slot, and the buffer segment wholly is trapezoidal setting, and its bottom inlays to locate in the fixed slot and bonds fixedly with the linkage segment.

The low-cost oil buffer comprises a buffer main body, a buffer rod, a buffer head, a buffer spring, a connecting spring and a buffer rod, wherein the buffer main body comprises a shell and a pressure storage sponge arranged in the shell, the buffer spring is fixed between the collision head and the shell, the connecting spring is arranged in the shell, and two ends of the connecting spring are respectively fixed on the bottom of the shell and the buffer rod.

Preceding a low-cost oil buffer, fixed establishment includes the base, and the buffer main part inlays to be established in the base and can be rotatory relative to the base, and buffer main part bottom an organic whole is equipped with the drive worm, is connected with the drive worm wheel through the pivot in the base, and the drive worm can drive the drive worm wheel rotatory, and the drive worm wheel is provided with two sets of about the drive worm symmetry

The low-cost oil buffer is characterized in that a driving gear coaxially arranged with a driving worm wheel is fixed on a rotating shaft, a driving rack is arranged in a base, and the driving rack is connected in the base in a sliding mode in the horizontal direction and meshed with the driving gear.

The low-cost oil buffer, drive gear and drive rack all are equipped with two sets of mutual centrosymmetric, are equipped with the opening on the base, the drive rack can extend to outside the base through the opening.

The invention has the beneficial effects that:

(1) when the buffer is used, the buffer firstly contacts the silencing sleeve and the collided head, then buffers impact force through the buffer rod, the connecting piece is arranged in the silencing sleeve, when the buffer is installed, an operator only needs to push the fixed rod to the bottom position, and correspondingly penetrates the fixed rod into the accommodating groove, at the moment, the fixed rod is loosened, the fixed rod rebounds under the action of the driving spring, the locking rod is clamped in the connecting groove, and the matched fixation of the collided head and the silencing sleeve is completed, so that the buffer is simple and convenient in installation process, convenient to integrally install, lower in assembly and disassembly efficiency, convenient to replace the silencing sleeve and more capable of saving the use cost;

(2) according to the invention, the pin hole is formed between the driving rod and the locking rod, the pin shaft penetrates through the pin hole, and after the locking rod is clamped and fixed with the connecting groove, the driving rod and the locking rod can be connected and fixed by the pin shaft and positioned by the nut, so that the driving rod and the locking rod cannot be separated from the accommodating groove due to vibration in the use process, and the noise reduction sleeve is prevented from accidentally falling;

(3) the noise reduction sleeve is divided into two sections, the connecting section at the bottom of the noise reduction sleeve is convenient for an operator to connect the noise reduction sleeve with a collided head, the buffering section at the top of the noise reduction sleeve is contacted with the force application part, the buffering section is made of flexible materials such as rubber and the like, partial kinetic energy can be absorbed while noise reduction is carried out, and the buffering effect of the whole buffer can be improved by matching the trapezoidal arrangement of the buffering section;

(4) the impact silencing sleeve can be quickly replaced after being cracked and damaged after being impacted for a plurality of times, the phenomenon that the impacted head needs to be replaced together after the silencing sleeve is damaged is avoided, meanwhile, the mounting and dismounting difficulty of the silencing sleeve is smaller, the overall cost is lower, the mounting and dismounting efficiency is high during operation, and the arrangement of the connecting spring and the buffering spring can enable the overall compression strength of the buffer to be larger and improve the overall use effect;

(5) when the buffer body is rotated, the driving worm at the bottom can be driven to rotate, so that the worm wheel and the rotating shaft are driven to rotate in a linkage manner, the driving gear on the rotating shaft rotates to drive the driving rack to slide to the outside of the base, holes can be dug in advance at positions needing to be fixed, the buffer body can be fixed by rotating, and the buffer body is fastened in a self-locking manner through the worm and the worm wheel, so that the buffer body is convenient to install in an integral structure and low in cost.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a structural view of a fixing mechanism in embodiment 1;

wherein: 1. a buffer main body; 11. a housing; 12. a buffer rod; 13. pressure-accumulating sponge; 2. a collided head; 21. accommodating grooves; 22. connecting grooves; 3. a silencing sleeve; 31. a movable groove; 32. a drive slot; 33. a connecting section; 34. a buffer section; 35. fixing grooves; 4. a connecting member; 41. fixing the rod; 411. a drive rod; 412. a locking lever; 413. a connecting rod; 42. a drive spring; 43. a pin hole; 44. a pin shaft; 45. a nut; 5. a buffer spring; 6. a connecting spring; 7. a fixing mechanism; 71. a base; 72. a drive worm; 73. a drive worm gear; 74. a rotating shaft; 75. a drive gear; 76. a drive rack; 77. and (4) opening.

Detailed Description

The low-cost hydraulic buffer provided by the embodiment has a structure shown in fig. 1-3, and comprises a buffer main body 1, a buffer rod 12 connected in the buffer main body 1 in a sliding manner, and a crashing head 2 arranged at the tail end of the buffer rod 12, wherein a silencing sleeve 3 is arranged on one side of the crashing head 2, which is back to the buffer rod 12, and the silencing sleeve 3 and the crashing head 2 are fixedly connected with each other through a connecting piece 4.

The buffer main body 1 comprises a shell 11 and a pressure storage sponge 13 arranged in the shell 11, a buffer spring 5 is fixed between the head 2 and the shell 11, a connecting spring 6 is arranged in the shell 11, and two ends of the connecting spring 6 are respectively fixed on the bottom of the shell 11 and a buffer rod 12.

Connecting piece 4 includes that the perpendicular to horizontal plane is seted up in the holding tank 21 that receives in the head 2 that hits, and holding tank 21 bottom is equipped with the spread groove 22 that runs through the head 2 that hits, is equipped with movable groove 31 in the amortization cover 3, and it is connected with dead lever 41 to slide in the movable groove 31, dead lever 41 and holding tank 21 and spread groove 22 looks adaptation, and dead lever 41 joint is in spread groove 22 during the installation, still is equipped with in the amortization cover 3 to be used for driving dead lever 41 to the drive spring 42 that 3 circumferencial directions of amortization cover.

The fixing rod 41 includes a driving rod 411 and a locking rod 412 horizontally disposed, and a connecting rod 413 vertically disposed for fixing the driving rod 411 and the locking rod 412, the fixing rod 41 is integrally disposed in a shape of "Contraband", and two ends of the driving spring 42 are respectively fixed at the middle positions of the side wall of the movable slot 31 and the connecting rod 413. The top of activity groove 31 is equipped with horizontally drive groove 32, and drive groove 32 runs through the amortization cover 3 side, and the actuating lever 411 slides and connects in drive groove 32 to outside extending to amortization cover 3, the check lock 412 is located the bottom outside of amortization cover 3, with the adaptation of spread groove 22.

The top of activity groove 31 is equipped with horizontally drive groove 32, and drive groove 32 runs through the amortization cover 3 side, and the actuating lever 411 slides and connects in drive groove 32 to outside extending to amortization cover 3, the check lock 412 is located the bottom outside of amortization cover 3, with the adaptation of spread groove 22. The silencing sleeve 3 comprises a connecting section 33 and a buffering section 34 which are fixed with each other, the diameter of the connecting section 33 is the same as that of the collided head 2, a fixing groove 35 is formed in the top of the connecting section 33, the buffering section 34 is integrally arranged in a trapezoid shape, and the bottom of the buffering section is embedded in the fixing groove 35 and is fixedly bonded with the connecting section 33.

As shown in fig. 3, the fixing mechanism 7 includes a base 71, the buffer main body is embedded in the base 71 and can rotate relative to the base 71, a driving worm 72 is integrally disposed at the bottom of the buffer main body, a driving worm wheel 73 is connected to the base 71 through a rotating shaft 74, the driving worm 72 can drive the driving worm wheel 73 to rotate, and two sets of driving worm wheels 73 are symmetrically disposed on the driving worm wheel 73 about the driving worm 72

A drive gear 75 coaxially disposed with the drive worm wheel 73 is fixed to the rotary shaft 74, a drive rack 76 is provided in the base 71, and the drive rack 76 is slidably connected in the base 71 in the horizontal direction and is engaged with the drive gear 75. The driving gear 75 and the driving rack 76 are both provided with two groups which are mutually centrosymmetric, an opening 77 is arranged on the base 71, and the driving rack 76 can extend out of the base 71 through the opening 77.

When the buffer is used, contact amortization cover 3 earlier and hit head 2, rethread buffer beam 12 cushions the impulsive force, set up connecting piece 4 in the amortization cover 3, operating personnel only need promote dead lever 41 to the bottom position when the installation, and wear to establish to holding tank 21 with dead lever 41 correspondence, loosen dead lever 41 this moment, dead lever 41 kick-backs under drive spring 42's effect, the joint of check lock lever 412 is in spread groove 22, it is fixed with the cooperation of amortization cover 3 to accomplish to hit head 2. The whole installation is convenient, the dismounting efficiency is lower, the silencing sleeve 3 is convenient to replace, and the use cost is saved more.

In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.