CN112894689B

CN112894689B - Pipeline wrench

Info

Publication number: CN112894689B
Application number: CN202110200426.1A
Authority: CN
Inventors: 皮付兰; 吴清玉
Original assignee: Individual
Current assignee: Hunan Mingsu Plastic Technology Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2023-05-30
Anticipated expiration: 2041-02-23
Also published as: CN112894689A

Abstract

The 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 spanner shell, and the locking mechanism realizes the functions of clamping nuts and adjusting the sizes according to different types of the nuts; the transmission mechanism is arranged in the spanner shell, and achieves the effect that the nut can be screwed up and down and rotated.

Description

Pipeline wrench

Technical Field

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

Background

At present, along with the continuous change of production environment, the structure of various pipeline equipment is finer and finer, and when maintaining, higher requirement is put forward to maintenance tool, and the ratchet wrench of continuous adaptation special operation environment or narrow and small space requirement of use is needed more, and the ratchet wrench of straight handle operation formula can not use in some special operation environment, and is comparatively troublesome when carrying out the operation of difference in height simultaneously to its application scope has been reduced.

Disclosure of Invention

In view of the above problems, the present invention provides a pipe wrench, in which a round bar a rotates when the rocker rotates, a gear C, a gear a and a gear B on the round bar a all rotate with the rocker, an arc-shaped rack a engaged with the gear a moves when the gear a rotates, and a link B moves when the gear B rotates, and at this time, the link a and the link B move in directions of each other, and then a semicircular claw a and the link a move, thereby achieving the effect of clamping a pipe, and thus saving labor for workers.

The technical scheme adopted by the invention is as follows: the 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 spanner shell, and the locking mechanism realizes the functions of clamping nuts and adjusting the sizes according to different types of the nuts; the transmission mechanism is arranged in the spanner shell, and achieves the effect that the nut can be screwed up and down and rotated.

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 surface of the semicircular claw B, and the semicircular claw B is fixedly connected with the connecting rod B;

preferably, the clamping mechanism is also provided with an arc-shaped transmission mechanism, and the arc-shaped transmission mechanism comprises an arc-shaped rack A, a gear A, an arc-shaped rack B, a gear C, a clamping bar, a rocker, a round rod A, an arc-shaped block, the arc-shaped rack A and a connecting rod A are fixedly connected, and the arc-shaped rack A is meshed with the gear A; the connecting rod A and the connecting rod B are rotationally connected to a shaft inside the spanner 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 groove opening groove and a circular groove; the ring A is fixedly arranged in the hollow gear, and an arc-shaped groove is formed in the ring A; the clamping block and the circular ring B are installed in a sliding manner; 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 groove opening groove; the outer side of the hollow gear is provided with a circular groove, and the inner side of the hollow gear is provided with a straight notch groove; the circular groove and the arc-shaped block are slidably arranged.

Preferably, the transmission mechanism comprises a gear D, a belt, a gear E, a round rod C, 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 rod C is fixedly arranged in the wrench handle shell; jing Jizhao is rotatably arranged inside the spanner shell;

preferably, the transmission mechanism further comprises a rotary transmission mechanism, and the rotary transmission mechanism comprises a round bar D, a bevel gear A, a gear F, a round bar E, a bevel gear B and a round bar D, wherein the round bar D is fixedly arranged in the wrench handle shell; the bevel gear A is rotatably arranged on the round bar D, the gear F is rotatably arranged on the round bar 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, a round hole capable of enabling the iron rod to be inserted is formed in the other end face of the round rod E, and when the working space is limited, the iron rod can be inserted into the round hole, so that the effect of continuously screwing the nut is achieved.

The invention has the beneficial effects that:

1. through rotating the rocker, round bar A rotates when the rocker rotates, and gear C, gear A and gear B on round bar A all rotate thereupon, and arc rack A with gear A meshing moves when gear A rotates, and connecting rod B moves when gear B rotates, and connecting rod A and connecting rod B move to each other direction this moment, and semicircle claw A, connecting rod A move with it, have realized the effect of clamping the pipeline, and like this if the staff just need not bear the weight of spanner more makes the staff laborsaving any more when the overhead working.

2. The shell is moved to enable the gear E to rotate through the up-and-down movement of the pawl, so that the gear D rotates, when the gear D rotates to rotate with the hollow gear, the ring A rotates along with the rotation of the hollow gear, and the clamping block can move up and down to clamp the nut because of the setting of the straight slot groove and the arc-shaped groove, so that the effect that nuts of different types can be used is achieved, and the application universality of the wrench is improved.

3. When the working space is limited, the iron rod can be inserted into the round hole of the round rod E, then the iron rod is rotated, the round rod E rotates, the bevel gear B rotates, the bevel gear A rotates, the gear F rotates, the gear E rotates, and the effect that the round rod E can screw the nut when the up-and-down movement is limited is achieved, and the wrench can cope with different spaces.

Drawings

Fig. 1 and 2 are schematic views of the overall structure 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 view of the locking mechanism of the present invention.

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

Reference numerals: 1-a spanner shell; 2-pulling the handle shell; 3-a clamping mechanism; 4-a locking mechanism; 5-a transmission mechanism; 301-semicircular claw A; 302-connecting rod A; 303-arc rack a; 304-gear a; 305-semicircular claw B; 306-link B; 307-arc rack B; 308-gear B; 309-gear C; 310-clamping strips; 311-rocker; 312-round bar a; 313-arc blocks; 401-ring a; 402-arc-shaped grooves; 403-clamping blocks; 404-round bar B; 405-ring B; 406-a nut; 407-hollow gear; 408-a straight slot groove; 409-circular groove; 501-gear D; 502-a belt; 503-gear E; 504-round bar C; 505-Jing Jizhao; 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 below through examples and with reference to 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 embodied in many other forms than described herein, and persons skilled in the art will be able to make similar modifications without departing from the spirit of the invention, so that the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention.

Please refer to fig. 1, 2, 3, 4 and 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 in 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 spanner housing 1, and the locking mechanism 4 realizes the functions of clamping the nut 406 and adjusting the size according to the types of the nut 406; the transmission mechanism 5 is arranged in the spanner housing 2, and the transmission mechanism 5 achieves the effect that the nut 406 can be screwed up and down and rotated.

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

in an alternative implementation manner of the embodiment of the present invention, besides the parts the same as those of the previous embodiment, the clamping mechanism 3 is further provided with an arc-shaped transmission mechanism, which comprises an arc-shaped rack a303, a gear a304, an arc-shaped rack B307, a gear B308, a gear C309, a clamping bar 310, a rocker 311, a round rod a312, an arc-shaped block 313, the arc-shaped rack a303 and a connecting rod a302 are fixedly connected, and the arc-shaped rack a303 is meshed with the gear a 304; the connecting rod A302 and the connecting rod B306 are rotatably connected to a shaft inside the spanner housing 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 fixedly arranged on the round rod A312; the clamping strip 310 is slidably arranged inside the spanner housing 1; the rocker 311 is fixedly connected with the round rod A312.

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

In an alternative implementation manner of the embodiment of the present invention, except for the parts the same as those of the previous embodiment, the transmission mechanism 5 includes a gear D501, a belt 502, a gear E503, a round bar C504, a thorn claw 505, the gear D501 and the hollow gear 407 are meshed, the gear D501 and the gear E503 are connected through the belt 502, and the gear E503 is rotatably mounted on the round bar C504; round bar C504 is fixedly arranged inside the spanner housing 2; jing Jizhao 505 is rotatably mounted inside the wrench housing 2;

in an alternative implementation manner of the embodiment of the invention, besides the parts the same as those of the previous embodiment, the transmission mechanism 5 further comprises a rotary transmission mechanism, wherein the rotary transmission mechanism comprises a round rod D506, a bevel gear A507, a gear F508, a round rod E509 and a bevel gear B510, and the round rod D506 is fixedly arranged in the wrench handle shell 2; bevel gear A507 is rotatably mounted on round bar D506, gear F508 is rotatably mounted on round bar D506, bevel gear A507 and gear F508 are fixedly mounted; bevel gear B510 is meshed with bevel gear A507; one end face of the round rod E509 is fixedly connected with the bevel gear B510, and the other end face 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 achieved.

Working principle: when the spanner is inserted into a pipeline, then the rocker 311 is rotated, when the rocker 311 is rotated, the round rod A312 is rotated, the gear C309, the gear A304 and the gear B308 on the round rod A312 are all rotated along with the rotation, when the gear A304 is rotated, the arc-shaped rack A303 meshed with the gear A304 is moved, when the gear B308 is rotated, the connecting rod B306 is moved, at the same time, the connecting rod A302 and the connecting rod B306 are moved towards each other, the semicircular claw A301 and the connecting rod A302 are moved along with the movement, the effect of clamping the pipeline is realized, the clamping strip 310 is set to enable the gear C309 to be unable to rotate, the clamped semicircular claw A301 and the semicircular claw B305 are prevented from loosening, the shell 2 is moved up and down along with the pawl 505, the gear E503 is rotated, the gear D501 is rotated, the hollow gear 407 is rotated along with the rotation of the gear D501, the circular ring A401 is rotated, because the straight slot groove 408 and the arc-shaped groove 402 are set, the clamping block 403 is moved up and down, the effect of clamping the iron nut 406 is realized, the iron nut 406 is continuously moved up and down, the screwing down of the shell 2 is realized, the spanner is realized, or the screwing down of the clamping nut 406 is realized, the effect is realized, the screwing down of the threaded rod 509 is realized, the threaded rod is further rotated along with the rotation of the round rod is limited by the rotation of the round rod, the round rod F, the rotation is rotated, the rotation is realized, the rotation is limited by the rotation of the round rod F, and the rotation is rotated, when the rotation is rotated, and the rotation is rotated.

When the wrench needs to be removed from the pipeline, the wrench is moved in a lateral direction, the clamping block 403 is moved away from the nut 406, then the hollow gear 407 is rotated to an initial position by rotating the gear E503, then the clamping bar 310 is moved upwards, the reverse rotation rocker 311 enables the semicircular claw A301 and the semicircular claw B305 to be loosened, the pipeline is not clamped any more, and then the wrench is taken out.

Claims

1. The 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 in 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 spanner shell 1, and the locking mechanism (4) realizes the functions of clamping the nut (406) and adjusting the size according to different types of the nut (406); the transmission mechanism (5) is arranged in the spanner shell (2), and the transmission mechanism (5) realizes the effect that the nut (40) can be screwed up and down and rotated;

the transmission mechanism (5) comprises a gear D (501), a belt (502), a gear E (503), a round rod C (504), a thorn claw (505), wherein the gear D (501) is meshed with the hollow gear (407), the gear D (501) is connected with the gear E (503) through the belt (502), and the gear E (503) is rotatably arranged on the round rod C (504); the round rod C (504) is fixedly arranged in the wrench shell (2); jing Jizhao (505) is rotatably arranged inside the spanner housing (2); the transmission mechanism (5) further comprises a rotary transmission mechanism, and comprises a round rod D (506), a bevel gear A (507), a gear F (508), a round rod E (509), a bevel gear B (510) and a round rod D (506) which are fixedly arranged in the wrench shell (2); bevel gear A (507) is rotatably mounted on round bar D (506), gear F (508) is rotatably mounted on round bar D (506), bevel gear A (507) and gear F (508) are fixedly mounted; bevel gear B (510) meshes with bevel gear A (507); one end face of the round rod E (509) is fixedly connected with the bevel gear B (510), the other end face is provided with a round hole into which an iron rod can be inserted, and when the working space is limited, the iron rod can be inserted into the round hole, so that the effect of continuously screwing the nut (406) is realized;

the locking mechanism (4) comprises a circular ring A (401), an arc-shaped groove (402), a clamping block (403), a round rod B (404), a circular ring B (405), a nut (406), a hollow gear (407), a straight slot groove (408) and a circular groove (409); the circular ring A (401) is fixedly arranged in the hollow gear (407), and an arc-shaped groove (402) is formed in the circular ring A (401); the clamping block (403) and the circular ring B (405) are installed in a sliding manner; the round rod B (404) and the clamping block (403) are fixedly arranged, and the round rod B (404) is slidably arranged in the arc-shaped groove (402) and the straight groove opening groove (408); the outer side of the hollow gear (407) is provided with a circular groove (409), and the inner side of the hollow gear (407) is provided with a straight groove opening groove (408); the circular groove (409) and the arc-shaped block (313) are slidably mounted.

2. The pipeline wrench according to claim 1, wherein the clamping mechanism (3) comprises a semicircular claw A (301), a connecting rod A (302), a semicircular claw B (305) and a connecting rod B (306), wherein an arc-shaped block (313) is arranged on one side surface of the semicircular claw A (301), and one ends of the semicircular claw A (301) and the connecting rod A (302) are fixedly connected; 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 pipe wrench as claimed in claim 1, wherein the clamping mechanism (3) further comprises an arc-shaped transmission mechanism, and the arc-shaped transmission mechanism 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 bar (310), a rocker (311), a round rod a (312), an arc-shaped block (313), the arc-shaped rack a (303) and a connecting rod a (302) are fixedly connected, and the arc-shaped rack a (303) and the gear a (304) are meshed; the connecting rod A (302) and the connecting rod B (306) are rotatably connected to a shaft inside the spanner 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 slidably arranged in the wrench head shell (1); the rocker (311) is fixedly connected with the round rod A (312).