阅读说明：本技术 一种管道扳手 (Pipeline wrench ) 是由 皮付兰 吴清玉 于 2021-02-23 设计创作，主要内容包括：一种管道扳手,包括扳头外壳,扳把外壳,夹紧机构,锁紧机构,传动机构,所述夹紧机构安装在扳头外壳内部,夹紧机构实现了夹紧管道的效果；锁紧机构安装在扳头外壳里面,锁紧机构实现了夹紧螺母并且根据螺母的型号不同调节大小的功能；传动机构安装在扳把外壳里面,传动机构实现了上下和转动都可以拧动螺母的效果。(A pipeline wrench comprises a wrench head shell, a wrench handle shell, a clamping mechanism, a locking mechanism and a transmission mechanism, wherein the clamping mechanism is arranged inside the wrench head shell, and the clamping mechanism achieves the effect of clamping a pipeline; the locking mechanism is arranged in the wrench head shell, and realizes the functions of clamping the nut and adjusting the size according to different types of the nut; the transmission mechanism is arranged in the wrench handle shell, and the transmission mechanism realizes the effect that the nut can be screwed up and down and rotates.)

1. A pipeline wrench is characterized by comprising a wrench head shell (1), a wrench handle shell (2), a clamping mechanism (3), a locking mechanism (4) and a transmission mechanism (5), and is characterized in that the clamping mechanism (3) is arranged inside the wrench head shell (1), and the clamping mechanism (3) achieves the effect of clamping a pipeline; the locking mechanism (4) is arranged in the wrench head shell 1), and the locking mechanism (4) realizes the functions of clamping the nut (406) and adjusting the size according to the model of the nut (406); the transmission mechanism (5) is arranged in the wrench handle shell (2), and the transmission mechanism (5) realizes the effect that the nut (40) can be screwed up and down and rotate.

2. The pipeline wrench as claimed in claim 1, wherein the clamping mechanism (3) comprises a semicircular jaw A (301), a connecting rod A (302), a semicircular jaw B (305) and a connecting rod B (306), an arc-shaped block (313) is arranged on one side surface of the semicircular jaw A (301), and the semicircular jaw A (301) is fixedly connected with one end of the connecting rod A (302); an arc-shaped block (313) is arranged on one side face of the semicircular claw B (305), and the semicircular claw B (305) is fixedly connected with the connecting rod B (306).

3. The pipeline wrench as claimed in claim 1, wherein an arc-shaped transmission mechanism is further disposed at the clamping mechanism (3), and comprises an arc-shaped rack a (303), a gear a (304), an arc-shaped rack B (307), a gear B (308), a gear C (309), a clamping strip (310), a rocker (311), a round rod a (312), an arc-shaped block (313), the arc-shaped rack a (303) and the connecting rod a (302) are fixedly connected, and the arc-shaped rack a (303) is engaged with the gear a (304); the connecting rod A (302) and the connecting rod B (306) are rotatably connected to a shaft in the wrench head shell (1); the arc-shaped rack B (307) is fixedly connected with the connecting rod B (306), and the gear B (308), the gear C (309) and the gear A (304) are fixedly arranged on the round rod A (312); the clamping strip (310) is arranged inside the wrench head shell (1) in a sliding way; the rocker (311) is fixedly connected with the round rod A (312).

4. The pipe wrench as claimed in claim 1, wherein the locking mechanism (4) comprises a circular ring A (401), an arc-shaped groove (402), a clamping block (403), a circular rod B (404), a circular ring B (405), a nut (406), a hollow gear (407), a straight notch groove (408), and a circular groove (409); the circular ring A (401) is fixedly arranged inside the hollow gear (407), and an arc-shaped groove (402) is formed in the circular ring A (401); the fixture block (403) and the circular ring B (405) are slidably mounted; the round rod B (404) and the clamping block (403) are fixedly installed, and the round rod B (404) is slidably installed in the arc-shaped groove (402) and the straight notch groove (408); a circular groove (409) is formed in the outer side of the hollow gear (407), and a straight notch groove (408) is formed in the inner side of the hollow gear (407); the circular groove (409) and the arc-shaped block (313) are slidably mounted.

5. A pipe wrench as claimed in claim 1, wherein the transmission mechanism (5) comprises a gear D (501), a belt (502), a gear E (503), a round bar C (504), a ratchet pawl (505), the gear D (501) is engaged with the hollow gear (407), the gear D (501) and the gear E (503) are connected through the belt (502), and the gear E (503) is rotatably mounted on the round bar C (504); the round bar C (504) is fixedly arranged inside the wrench handle shell (2); the chaste claw (505) is rotatably arranged inside the wrench handle shell (2).

6. A pipe wrench as claimed in claim 1, wherein the transmission mechanism (5) further comprises a rotary transmission mechanism comprising a round rod D (506), a bevel gear a (507), a gear F (508), a round rod E (509), a bevel gear B (510), the round rod D (506) is fixedly mounted inside the wrench handle housing (2); a bevel gear A (507) is rotatably arranged on the round rod D (506), a gear F (508) is rotatably arranged on the round rod D (506), and the bevel gear A (507) and the gear F (508) are fixedly arranged; bevel gear B (510) and bevel gear A (507) are meshed; one end face of the round rod E (509) is fixedly connected with the bevel gear B (510), and the other end face of the round rod E is provided with a round hole into which an iron rod can be inserted, so that when the working space is limited, the iron rod can be inserted into the round hole, and the effect of continuously screwing the nut (406) is realized.

Technical Field

The invention relates to a wrench, in particular to a pipeline wrench.

Background

At present, along with the constantly changing of production environment, the structure of all kinds of pipeline equipment is more meticulous, when the maintenance, has proposed higher requirement to repair tools, needs especially constantly to adapt to special operational environment or narrow and small usage space demand, and the ratchet spanner of straight handle operation formula can not use in some special operational environment, and is comparatively troublesome when carrying out the operation of high difference simultaneously to its application scope has been reduced.

Disclosure of Invention

In order to solve the problems, the invention provides a pipeline wrench, by rotating a rocker, when the rocker rotates, a round rod A rotates, a gear C, a gear A and a gear B on the round rod A rotate along with the rotation, when the gear A rotates, an arc-shaped rack A meshed with the gear A moves, when the gear B rotates, a connecting rod B moves, and at the moment, the connecting rod A and the connecting rod B move towards each other and move along with a semicircular claw A and the connecting rod A, so that the pipeline clamping effect is realized, and the labor is saved for workers.

The technical scheme adopted by the invention is as follows: a pipeline wrench comprises a wrench head shell, a wrench handle shell, a clamping mechanism, a locking mechanism and a transmission mechanism, wherein the clamping mechanism is arranged inside the wrench head shell, and the clamping mechanism achieves the effect of clamping a pipeline; the locking mechanism is arranged in the wrench head shell, and realizes the functions of clamping the nut and adjusting the size according to different types of the nut; the transmission mechanism is arranged in the wrench handle shell, and the transmission mechanism realizes the effect that the nut can be screwed up and down and rotates.

Preferably, the clamping mechanism comprises a semicircular claw A, a connecting rod A, a semicircular claw B and a connecting rod B, wherein an arc-shaped block is arranged on one side surface of the semicircular claw A, and the semicircular claw A is fixedly connected with one end of the connecting rod A; an arc-shaped block is arranged on one side face of the semicircular claw B, and the semicircular claw B is fixedly connected with the connecting rod B;

preferably, the clamping mechanism is further provided with an arc-shaped transmission mechanism which comprises an arc-shaped rack A, a gear A, an arc-shaped rack B, a gear C, a clamping strip, a rocker, a round rod A and an arc-shaped block, wherein the arc-shaped rack A is fixedly connected with a connecting rod A, and the arc-shaped rack A is meshed with the gear A; the connecting rod A and the connecting rod B are rotatably connected to a shaft in the wrench head shell; the arc-shaped rack B is fixedly connected with the connecting rod B, and the gear B, the gear C and the gear A are fixedly arranged on the round rod A; the clamping strip is slidably arranged in the wrench head shell; the rocker is fixedly connected with the round rod A.

Preferably, the locking mechanism comprises a circular ring A, an arc-shaped groove, a clamping block, a circular rod B, a circular ring B, a nut, a hollow gear, a straight notch groove and a circular groove; the circular ring A is fixedly arranged inside the hollow gear, and an arc-shaped groove is formed in the circular ring A; the clamping block and the circular ring B are installed in a sliding mode; the round rod B and the clamping block are fixedly arranged, and the round rod B is slidably arranged in the arc-shaped groove and the straight notch groove; a circular groove is formed in the outer side of the hollow gear, and a straight notch groove is formed in the inner side of the hollow gear; the circular groove and the arc-shaped block are slidably mounted.

Preferably, the transmission mechanism comprises a gear D, a belt, a gear E, a round rod C and a pawl, wherein the gear D is meshed with the hollow gear, the gear D is connected with the gear E through the belt, and the gear E is rotatably arranged on the round rod C; the round bar C is fixedly arranged inside the wrench handle shell; the pawl is rotatably arranged inside the wrench handle shell;

preferably, the transmission mechanism further comprises a rotary transmission mechanism, the rotary transmission mechanism comprises a round rod D, a bevel gear A, a gear F, a round rod E and a bevel gear B, and the round rod D is fixedly arranged inside the wrench handle shell; the bevel gear A is rotatably arranged on the round rod D, the gear F is rotatably arranged on the round rod D, and the bevel gear A and the gear F are fixedly arranged; the bevel gear B is meshed with the bevel gear A; one end face of the round rod E is fixedly connected with the bevel gear B, and the other end face of the round rod E is provided with a round hole into which an iron rod can be inserted.

The invention has the beneficial effects that:

1. through rotating the rocker, round bar A rotates when the rocker rotates, gear C, gear A and gear B on round bar A all rotate thereupon, when gear A rotates and the arc rack A of gear A meshing removes, when gear B rotates connecting rod B removes, connecting rod A and connecting rod B remove to direction each other this moment, semicircle claw A, connecting rod A remove along with it, the effect of pressing from both sides tight pipeline has been realized, like this if during high altitude construction the staff just need not undertake the weight of spanner again and make the staff more laborsaving.

2. The shell of the wrench handle is moved up and down along with the ratchet pawl to rotate the gear E, so that the gear D rotates, the gear D rotates the hollow gear, the ring A rotates along with the hollow gear, and the clamping nut can move up and down by the clamping block due to the arrangement of the straight notch groove and the arc-shaped groove, so that the application universality of the wrench is improved by the effect that the nuts of different models can be used.

3. When workspace received the restriction, can inject the iron rod into round hole department of round bar E, then rotate the iron rod, round bar E rotates thereupon, bevel gear B rotates thereupon, bevel gear A rotates thereupon, and gear F rotates thereupon and drives gear E and rotate, realizes when reciprocating when receiving the restriction, rotates the effect that round bar E also can twist the nut, can make the spanner deal with different spaces.

Drawings

Fig. 1 and 2 are schematic overall structural diagrams of the present invention.

Fig. 3 is a schematic structural view of the clamping mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the locking mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the transmission mechanism of the present invention.

Reference numerals: 1-wrench head housing; 2-a spanner housing; 3-a clamping mechanism; 4-a locking mechanism; 5-a transmission mechanism; 301-semicircular claw a; 302-link A; 303-arc rack a; 304-gear A; 305-semicircular jaw B; 306-link B; 307-arc rack B; 308-gear B; 309-Gear C; 310-a card strip; 311-rocker; 312-round bar A; 313-an arc-shaped block; 401-ring a; 402-an arc-shaped groove; 403-a latch; 404-round bar B; 405-circle B; 406-a nut; 407-hollow gear; 408-a straight notch groove; 409-circular groove; 501-gear D; 502-a belt; 503-gear E; 504-round bar C; 505-chaste tree pawl; 506-round bar D; 507-bevel gear A; 508-gear F; 509-round bar E; 510-bevel gear B.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5

A pipeline wrench comprises a wrench head shell 1, a wrench handle shell 2, a clamping mechanism 3, a locking mechanism 4 and a transmission mechanism 5, and is characterized in that the clamping mechanism 3 is arranged inside the wrench head shell 1, and the clamping mechanism 3 realizes the effect of clamping a pipeline; the locking mechanism 4 is arranged in the wrench head shell 1, and the locking mechanism 4 realizes the functions of clamping the nut 406 and adjusting the size according to the model of the nut 406; the transmission mechanism 5 is arranged in the wrench handle shell 2, and the transmission mechanism 5 realizes the effect that the nut 406 can be screwed up and down and rotate.

In an optional implementation manner of the embodiment of the invention, except for the same parts as those in the previous embodiment, the clamping mechanism 3 comprises a semicircular jaw A301, a connecting rod A302, a semicircular jaw B305 and a connecting rod B306, wherein an arc-shaped block 313 is arranged on one side surface of the semicircular jaw A301, and one end of the semicircular jaw A301 is fixedly connected with one end of the connecting rod A302; an arc-shaped block 313 is arranged on one side surface of the semicircular claw B305, and the semicircular claw B305 is fixedly connected with a connecting rod B306;

in an optional implementation manner of the embodiment of the present invention, besides the same components as those in the previous embodiment, an arc-shaped transmission mechanism is further disposed at the clamping mechanism 3, and includes an arc-shaped rack a303, a gear a304, an arc-shaped rack B307, a gear B308, a gear C309, a clamping strip 310, a rocker 311, a round rod a312, an arc-shaped block 313, an arc-shaped rack a303 and a connecting rod a302 are fixedly connected, and the arc-shaped rack a303 and the gear a304 are engaged; the connecting rod A302 and the connecting rod B306 are rotatably connected on a shaft in the wrench head shell 1; the arc-shaped rack B307 is fixedly connected with the connecting rod B306, and the gear B308, the gear C309 and the gear A304 are all fixedly arranged on the round rod A312; the clamping strip 310 is slidably arranged inside the wrench head shell 1; the rocker 311 is fixedly connected with a round rod A312.

In an optional implementation manner of the embodiment of the present invention, except for the same components as those in the previous embodiment, the locking mechanism 4 includes a circular ring a401, an arc-shaped groove 402, a latch 403, a circular rod B404, a circular ring B405, a nut 406, a hollow gear 407, a straight notch groove 408, and a circular groove 409; the ring A401 is fixedly arranged inside the hollow gear 407, and an arc-shaped groove 402 is formed in the ring A401; the fixture block 403 and the circular ring B405 are slidably mounted; the round rod B404 and the clamping block 403 are fixedly installed, and the round rod B404 is slidably installed in the arc-shaped groove 402 and the straight notch groove 408; a circular groove 409 is formed in the outer side of the hollow gear 407, and a straight notch groove 408 is formed in the inner side of the hollow gear 407; the circular groove 409 and the arc-shaped block 313 are slidably mounted.

In an alternative implementation manner of the embodiment of the present invention, except for the same components as those in the previous embodiment, the transmission mechanism 5 includes a gear D501, a belt 502, a gear E503, a round bar C504, a pawl 505, wherein the gear D501 is engaged with the hollow gear 407, the gear D501 is connected with the gear E503 through the belt 502, and the gear E503 is rotatably mounted on the round bar C504; the round bar C504 is fixedly arranged inside the wrench handle shell 2; a pawl 505 is rotatably mounted inside the handle housing 2;

in an optional implementation manner of the embodiment of the present invention, besides the same components as those in the previous embodiment, the transmission mechanism 5 further includes a rotary transmission mechanism, which includes a circular rod D506, a bevel gear a507, a gear F508, a circular rod E509, a bevel gear B510, and the circular rod D506 is fixedly installed inside the wrench handle housing 2; the bevel gear A507 is rotatably arranged on the round rod D506, the gear F508 is rotatably arranged on the round rod D506, and the bevel gear A507 and the gear F508 are fixedly arranged; bevel gear B510 and bevel gear A507 are meshed; one end face of the round rod E509 is fixedly connected with the bevel gear B510, and the other end face of the round rod E509 is provided with a round hole into which an iron rod can be inserted, so that when the working space is limited, the iron rod can be inserted into the round hole, and the effect of continuously screwing the nut 406 is realized.

The working principle is as follows: the wrench is inserted into the pipeline, then the rocker 311 is rotated, the round rod A312 rotates when the rocker 311 rotates, the gear C309, the gear A304 and the gear B308 on the round rod A312 rotate along with the rotation, the arc-shaped rack A303 meshed with the gear A304 moves when the gear A304 rotates, the link B306 moves when the gear B308 rotates, the link A302 and the link B306 move towards each other at the moment, the semi-circular claw A301 and the link A302 move along with the movement, the pipeline clamping effect is realized, the clamping strip 310 can be set to enable the gear C309 to be incapable of rotating, the clamped semi-circular claw A301 and the clamped semi-circular claw B305 are incapable of loosening, after clamping, the wrench shell 2 moves up and down along with the movement of the pawl 505, the gear E503 rotates, the gear D501 rotates, the hollow gear 407 rotates along with the rotation of the gear D401 when the gear D501 rotates, the clamping strip 403 moves up and down due to the setting of the straight notch groove 408 and the arc-shaped groove 402, the clamping nut 406 can, the nut 406 is clamped, then the wrench handle shell 2 continues to move up and down to achieve the effect of screwing or loosening the nut 406, when the working space is limited, the iron rod can be inserted into the round hole of the round rod E509, then the iron rod is rotated, then the round rod E509 rotates, then the bevel gear B510 rotates, the bevel gear A507 rotates, then the gear F508 rotates to drive the gear E503 to rotate, and the effect that when the up-and-down movement is limited, the nut 406 can be screwed by rotating the round rod E509 is achieved.

When the wrench needs to be removed from the pipeline, the wrench is moved to the side direction to move the latch 403 away from the nut 406, then the hollow gear 407 is rotated to the initial position by rotating the gear E503, then the latch bar 310 is moved upwards, the rocker 311 is rotated reversely to release the semicircular jaw a301 and the semicircular jaw B305, so that the pipeline is not clamped, and then the wrench is taken out.