CN209818416U

CN209818416U - Rack and pinion jar

Info

Publication number: CN209818416U
Application number: CN201920364626.9U
Authority: CN
Inventors: 施新文; 张晓辉
Original assignee: Zhejiang Daqi Machinery Co Ltd
Current assignee: Zhejiang Daqi Machinery Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2019-12-20
Anticipated expiration: 2029-03-21

Abstract

The utility model relates to a gear drive technical field just discloses a rack and pinion jar, comprising a cylinder body, the top fixed mounting of cylinder body has the link, the lateral wall of link is provided with the external screw thread, seal ring has been cup jointed to the lateral wall of link, the outside threaded connection of link has the connecting sleeve, the top fixed mounting of connecting sleeve has rotatory ring. This rack and pinion jar, through setting up the cylinder body, when carrying out the periodic overhaul to the rack and pinion jar, the staff can hold connecting sleeve earlier, and rotate, connecting sleeve rotates along the connecting joint and leaves the connecting joint, and the gear box removes along with connecting sleeve and separates with the cylinder body, until connecting sleeve and connecting joint release the relation of connection, thereby dismantle the gear box, then maintain gear and gear shaft with gear connection alone, rethread connecting joint overhauls the rack subassembly of cylinder body inside, again with the installation of gear box go back, such connected mode through, the workman of being convenient for maintains.

Description

Rack and pinion jar

Technical Field

The utility model relates to a gear drive technical field specifically is a rack and pinion jar.

Background

The gear transmission is mechanical transmission which utilizes the mutual meshing of gear teeth of two gears to transmit power and motion, and is divided into parallel shaft cylindrical gear transmission, crossed shaft conical gear transmission and staggered shaft helical gear transmission according to the relative position of the axes of the gears.

At present, a cylinder body or a rack of a common gear rack cylinder is generally designed into a whole, and is very inconvenient to install and maintain.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a rack and pinion jar possesses the advantage such as be convenient for maintain, and the cylinder body or the rack of having solved present ordinary rack and pinion jar establish to a whole usually, when the operation of carrying out the installation maintenance, very inconvenient problem.

(II) technical scheme

In order to realize the maintenance purpose of being convenient for, the utility model provides a following technical scheme: a gear rack cylinder comprises a cylinder body, wherein a connecting joint is fixedly arranged at the top of the cylinder body, an external thread is arranged on the outer side wall of the connecting joint, a sealing gasket is sleeved on the outer side wall of the connecting joint, a connecting sleeve is connected to the outer side of the connecting joint in a threaded manner, a rotating ring is fixedly arranged at the top of the connecting sleeve, a gear box with one end extending to the inside of the cylinder body is fixedly arranged at the top of the rotating ring, an oil cup with one end extending to the inside of the gear box is fixedly arranged at the top of the gear box, a gear shaft is fixedly arranged inside the gear box, a gear is sleeved on the outer side wall of the gear shaft, a rack assembly meshed with the gear is movably arranged inside the cylinder body, a wear-resistant pad with one end extending to the bottom of the cylinder body is fixedly arranged on the, the right side fixed mounting of cylinder body has the rear end cap, the right side fixed mounting of rear end cap has discharge valve, the inside left side wall fixed mounting of cylinder body has the crashproof pad, the left side fixed mounting of cylinder body has the front end housing.

Preferably, the bottom of the gear box is provided with a through groove, and the connecting joint is matched with the through groove.

Preferably, the cavity of the gear box is arc-shaped, the gear is matched with the cavity, and the output end of the oil cup is positioned right above the gear.

Preferably, the rack assembly comprises a rack, a guide block and a convex block, the guide block is fixedly mounted on the left side of the rack, and the convex block is fixedly mounted on the left side of the guide block.

Preferably, the wear pad is matched with the rack, and the anti-collision pad is matched with the guide block and the bump.

Preferably, the number of the wear-resistant rings is four, and every two wear-resistant rings are respectively sleeved with the piston and the guide block.

(III) advantageous effects

Compared with the prior art, the utility model provides a rack and pinion jar possesses following beneficial effect:

1. this rack and pinion jar, through setting up the cylinder body, when carrying out the periodic overhaul to the rack and pinion jar, the staff can hold connecting sleeve earlier, and rotate, connecting sleeve rotates along the connecting joint and leaves the connecting joint, and the gear box removes along with connecting sleeve and separates with the cylinder body, until connecting sleeve and connecting joint release the relation of connection, thereby dismantle the gear box, then maintain gear and gear shaft with gear connection alone, rethread connecting joint overhauls the rack subassembly of cylinder body inside, again with the installation of gear box go back, such connected mode through, the workman of being convenient for maintains.

2. This rack and pinion jar, through setting up the cylinder body, when rack and pinion jar operating duration is too frequent, the workman can pour into lubricating oil into to the cylinder body by the oil cup, and lubricating oil drips on the gear, under gear revolve and rack subassembly meshing condition, makes lubricating oil maintain gear and rack subassembly to at the auxiliary action of crash pad and abrasion pad, make gear and rack subassembly steadily mesh, reached the good purpose of stability.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is an enlarged view of the structure at a position of the present invention.

In the figure: the device comprises a cylinder body 1, a connecting joint 2, an external thread 3, a sealing washer 4, a connecting sleeve 5, a rotating ring 6, a gear box 7, an oil cup 8, a gear shaft 9, a gear 10, a rack assembly 11, a wear-resistant pad 12, a piston 13, a wear-resistant ring 14, a rear end cover 15, an exhaust valve 16, a crash pad 17 and a front end cover 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a rack and pinion cylinder includes a cylinder body 1, a connecting joint 2 is fixedly installed on the top of the cylinder body 1, an external thread 3 is provided on the outer side wall of the connecting joint 2, a sealing washer 4 is sleeved on the outer side wall of the connecting joint 2, a connecting sleeve 5 is connected with the outer side thread of the connecting joint 2, a rotating ring 6 is fixedly installed on the top of the connecting sleeve 5, a gear box 7 with one end extending to the inside of the cylinder body 1 is fixedly installed on the top of the rotating ring 6, a through groove is opened on the bottom of the gear box 7, the connecting joint 2 is matched with the through groove, an oil cup 8 with one end extending to the inside of the gear box 7 is fixedly installed on the top of the gear box 7, a gear shaft 9 is fixedly installed inside the gear box 7, a gear 10 is sleeved on the outer side wall of the gear shaft, the inner movable mounting of the cylinder body 1 has a rack assembly 11 meshed with the gear 10, the rack assembly 11 includes a rack, a guide block and a convex block, the left side of the rack is fixedly mounted with the guide block, the left side of the guide block is fixedly mounted with the convex block, the inner bottom wall of the cylinder body 1 is fixedly mounted with a wear pad 12, one end of the wear pad 12 extends to the bottom of the cylinder body 1, the wear pad 12 is adapted to the rack, the right side of the rack assembly 11 is fixedly mounted with a piston 13, the outer side wall of the piston 13 is sleeved with a wear ring 14, the number of the wear rings 14 is four, every two wear rings 14 are respectively sleeved with the piston 13 and the guide block, the right side of the cylinder body 1 is fixedly mounted with a rear end cover 15, the right side of the rear end cover 15 is fixedly mounted with an exhaust valve 16, the inner left side wall of the cylinder body 1 is fixedly, when the gear rack cylinder is periodically overhauled, a worker can hold the connecting sleeve 5 firstly and rotate the connecting sleeve 5, the connecting sleeve 5 rotates away from the connecting joint 2 along the connecting joint 2, the gear box 7 is separated from the cylinder body 1 along with the movement of the connecting sleeve 5 until the connecting sleeve 5 is disconnected from the connecting joint 2, the gear box 7 is detached, then the gear 10 and the gear shaft 9 connected with the gear 10 are maintained independently, then the rack assembly 11 in the cylinder body 1 is overhauled through the connecting joint 2, and then the gear box 7 is installed again.

In summary, according to the rack and pinion cylinder, by arranging the cylinder body 1, when the rack and pinion cylinder is periodically overhauled, a worker can hold the connecting sleeve 5 and rotate the connecting sleeve 5, the connecting sleeve 5 rotates away from the connecting joint 2 along the connecting joint 2, the gear box 7 moves along with the connecting sleeve 5 to be separated from the cylinder body 1 until the connecting sleeve 5 is disconnected from the connecting joint 2, so that the gear box 7 is detached, then the gear 10 and the gear shaft 9 connected with the gear 10 are maintained independently, then the rack assembly 11 in the cylinder body 1 is overhauled through the connecting joint 2, and then the gear box 7 is reinstalled back, through the connecting mode, the maintenance of the worker is facilitated, through the arrangement of the cylinder body 1, when the rack and pinion cylinder works too frequently, the worker can inject lubricating oil into the cylinder body 1 through the oil cup 8, and the lubricating oil drops onto the gear 10, under the condition that the gear 10 rotates and is meshed with the rack assembly 11, the gear 10 and the rack assembly 11 are maintained by lubricating oil, the gear 10 and the rack assembly 11 are stably meshed under the auxiliary action of the anti-collision pad 17 and the wear-resistant pad 12, the purpose of good stability is achieved, and the problem that the cylinder body or the rack of an existing common gear and rack cylinder is usually designed into a whole and is very inconvenient when the operation of installation and maintenance is carried out is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rack and pinion cylinder, includes cylinder body (1), its characterized in that: the top fixed mounting of cylinder body (1) has link (2), the lateral wall of link (2) is provided with external screw thread (3), seal ring (4) has been cup jointed to the lateral wall of link (2), the outside threaded connection of link (2) has connecting sleeve (5), the top fixed mounting of connecting sleeve (5) has rotatory ring (6), the top fixed mounting of rotatory ring (6) has one end to extend to inside gear box (7) of cylinder body (1), the top fixed mounting of gear box (7) has one end to extend to inside oil cup (8) of gear box (7), the inside fixed mounting of gear box (7) has gear shaft (9), gear (10) has been cup jointed to the lateral wall of gear shaft (9), the inside movable mounting of cylinder body (1) has rack assembly (11) with gear (10) meshing, the utility model discloses a cylinder body, including cylinder body (1), inner bottom wall fixed mounting have one end to extend to wear pad (12) of cylinder body (1) bottom, the right side fixed mounting of rack subassembly (11) has piston (13), wear-resisting circle (14) have been cup jointed to the lateral wall of piston (13), the right side fixed mounting of cylinder body (1) has rear end cap (15), the right side fixed mounting of rear end cap (15) has discharge valve (16), the inside left side wall fixed mounting of cylinder body (1) has crash pad (17), the left side fixed mounting of cylinder body (1) has front end housing (18).

2. A rack and pinion cylinder as set forth in claim 1 wherein: the bottom of the gear box (7) is provided with a through groove, and the connecting joint (2) is matched with the through groove.

3. A rack and pinion cylinder as set forth in claim 1 wherein: the cavity of the gear box (7) is arc-shaped, the gear (10) is matched with the cavity, and the output end of the oil cup (8) is positioned right above the gear (10).

4. A rack and pinion cylinder as set forth in claim 1 wherein: the rack assembly (11) comprises a rack, a guide block and a convex block, the guide block is fixedly mounted on the left side of the rack, and the convex block is fixedly mounted on the left side of the guide block.

5. A rack and pinion cylinder as claimed in claim 4, wherein: the wear-resisting pad (12) is matched with the rack, and the anti-collision pad (17) is matched with the guide block and the bump.

6. A rack and pinion cylinder as claimed in claim 4, wherein: the number of the wear-resistant rings (14) is four, and every two wear-resistant rings (14) are respectively sleeved with the piston (13) and the guide block.