Valve adjusting wrench

By introducing an air bladder and oil injection groove structure into the valve adjusting wrench, the problem of cumbersome lubrication operation in the existing technology is solved, achieving high efficiency in lubrication and stability of the wrench, thereby improving maintenance efficiency and service life.

CN224059714UActive Publication Date: 2026-03-31CHINESE PEOPLES LIBERATION ARMY UNIT 63607
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing valve adjusting wrench does not have a built-in lubrication structure, requiring maintenance personnel to carry an extra lubricant bottle and application tools, which makes the operation cumbersome and affects work efficiency.

Method used

A valve adjusting wrench with an air bladder and an oil injection groove was designed. The air bladder is squeezed to achieve automatic supply of lubricating oil, simplifying the lubrication operation, and the spring maintains the stability of the wrench structure.

Benefits of technology

It achieves high efficiency in lubrication operation and stability of the wrench, improves maintenance efficiency, reduces maintenance difficulty and cost, and extends the service life of the wrench.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses an air valve adjusting wrench which comprises a sleeve and a fixing rod arranged on the right upper side of the sleeve, a sleeve block is arranged on the inner side of the sleeve, a connecting rod is arranged on the right upper side of the sleeve block, a quadrangular groove is formed in the inner side of the bottom of the sleeve block, a hexagonal groove is formed in the inner side of the bottom of the sleeve, and the connecting rod is connected with the hexagonal groove. The air bag is arranged outside the upper left side of the sleeve block, the oil injection groove is formed in the inner side of the middle of the sleeve block, a user can achieve lubricating operation by simply extruding the air bag through the air bag and the oil injection groove structure, extra tools or complex steps are not needed, the efficiency of lubricating a to-be-adjusted structure is greatly improved, and the maintenance time cost is saved. In the working scenes of actual maintenance or valve adjustment and the like, lubricating oil can be quickly supplemented to a connecting part, normal operation of equipment is ensured, in addition, the air bag is in threaded connection with the sleeve block, a user can easily complete lubricating oil supplementation by himself / herself, professional technicians or special equipment are not needed, and the maintenance difficulty and cost are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to valve adjusting wrench related technical field, concretely relates to a valve adjusting wrench. BACKGROUND

[0002] Valve adjusting wrench is a kind of precision tool specially used for internal combustion engine valve clearance adjustment, is widely used in the maintenance and repair of automobile, motorcycle and small engine.Valve clearance is the key parameter of engine normal operation, too big or too small can affect engine performance, lead to insufficient power, increased fuel consumption or noise increase.Valve adjusting wrench can accurately and conveniently adjust valve clearance by its unique design, ensure that it meets the standard value specified by manufacturer, the wrench is made of high hardness alloy steel, has good wear resistance and impact resistance, can withstand high strength operation.

[0003] Most existing valve adjusting wrenches are not provided with built-in lubricating structure, and maintenance personnel need to carry lubricating oil bottles and smearing tools in the scene of automobile engine valve maintenance, and need to put down the wrench, pick up the lubricating oil bottle, open the bottle cap, and then smear with tools, so that the whole process has many steps and takes a long time, which affects work efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a valve adjusting wrench to solve the problem that most existing valve adjusting wrenches are not provided with built-in lubricating structure, and maintenance personnel need to carry lubricating oil bottles and smearing tools in the scene of automobile engine valve maintenance, and need to put down the wrench, pick up the lubricating oil bottle, open the bottle cap, and then smear with tools, so that the whole process has many steps and takes a long time, which affects work efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme: a valve adjusting wrench, which comprises a sleeve and a fixed rod arranged at the upper right side of the sleeve.

[0006] The inner side of the sleeve is provided with a sleeve block, and the upper right side of the sleeve block is provided with a connecting rod.

[0007] The bottom inner side of the sleeve block is provided with a four-corner groove, and the bottom inner side of the sleeve is provided with a hexagonal groove.

[0008] The upper left side of the sleeve block is provided with an air bag outside, and the middle inner side of the sleeve block is provided with an oil injection groove.

[0009] The connecting place of the sleeve and the connecting rod is provided with a spring.

[0010] Preferably, the sleeve block is connected with the sleeve by sleeve embedding connection, and the sleeve block can move up and down in the sleeve.

[0011] Preferably, the oil injection groove completely penetrates the sleeve block, and the air bag is connected to the sleeve block through threaded connection.

[0012] Preferably, a one-way valve is arranged in the middle of the lower side of the air bag, and the upper opening of the oil injection groove coincides with the position of the one-way valve.

[0013] Preferably, the inside of the air bag is filled with lubricating oil, and the upper and lower sides of the spring are respectively connected to the connecting rod and the sleeve through welding connection.

[0014] Preferably, the spring pulls the connecting rod upward to the upper side of the sleeve, and the connecting rod and the fixing rod are respectively connected to the sleeve block and the sleeve through welding connection.

[0015] Compared with the prior art, the air valve adjusting wrench has the following beneficial effects:

[0016] 1. The user can realize lubrication operation by simply squeezing the air bag through the air bag and oil injection groove structure, without the need for additional tools or complex steps, greatly improving the efficiency of lubricating the structure to be adjusted and saving maintenance time and cost. In actual maintenance or adjustment of the air valve, the connecting part can be quickly supplemented with lubricating oil to ensure normal operation of the equipment.

[0017] In addition, the air bag and the sleeve block are connected through threaded connection, which is not only stable but also convenient for the user to disassemble and maintain and refill lubricating oil when the lubricating oil is consumed. The user can easily supplement the lubricating oil without the need for professional technicians or special equipment, reducing the difficulty and cost of maintenance.

[0018] 2. The spring at the connecting position of the sleeve and the connecting rod always exerts a pulling force on the connecting rod upward to the sleeve, thereby driving the sleeve block to approach the sleeve. This effectively prevents the sleeve block from shaking randomly when not in use, avoids possible part wear or damage caused by shaking of the sleeve block, and prolongs the service life of the wrench.

[0019] The stable structure enables the user to directly aim the wrench at the structure to be adjusted for operation without additional adjustment of the position of the sleeve block when picking up the wrench for use. At the same time, the pulling force of the spring can assist in maintaining the relative position of the sleeve block and the sleeve during adjustment, making the adjustment operation smoother and more stable and improving the user's operation experience.

[0020] The pulling force of the spring helps the wrench maintain a good working state under different working conditions. Whether in a vertical, horizontal or inclined working environment, the spring can maintain the stability of the wrench structure, ensuring that the wrench can adapt to various complex operation scenes and improving the universality and applicability of the wrench. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1The structure schematic diagram of the adjusting wrench in the utility model.

[0022] Figure 2 The structure schematic diagram of the adjusting wrench in the utility model Figure 1 The schematic diagram of the inner sleeve block after moving upwards in the sleeve.

[0023] Figure 3 The structure schematic diagram of the adjusting wrench in the utility model Figure 2 The structure schematic diagram of the half cross section perspective.

[0024] Figure 4 The structure schematic diagram of the adjusting wrench in the utility model Figure 3 The structure schematic diagram of the side perspective.

[0025] Figure 5 The structure schematic diagram of the adjusting wrench in the utility model Figure 1 The schematic diagram of the inner sleeve block structure and the sleeve after separation.

[0026] Figure 6 The structure schematic diagram of the adjusting wrench in the utility model Figure 1 The structure schematic diagram of the bottom perspective.

[0027] In the figure: 1, fixed rod; 2, sleeve; 3, hexagonal groove; 4, connecting rod; 5, sleeve block; 6, four-cornered groove; 7, oil injection groove; 8, air bag; 9, spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] The utility model provides a kind of valve adjusting wrench as Figures 1-6 As shown in the figure, including sleeve 2 and being arranged in sleeve 2 right upper side fixed rod 1;

[0030] Sleeve 2 inside is provided with sleeve block 5, and the right upper side of sleeve block 5 is provided with connecting rod 4;

[0031] The bottom inside of sleeve block 5 is provided with four-cornered groove 6, and the bottom inside of sleeve 2 is provided with hexagonal groove 3;

[0032] The left upper side outside of sleeve block 5 is provided with air bag 8, and the middle inside of sleeve block 5 is provided with oil injection groove 7;

[0033] The connecting place of sleeve 2 and connecting rod 4 is provided with spring 9.

[0034] In this embodiment, depending on the shape of the structure to be adjusted, if it is a hexagonal structure, the user can directly align the hexagonal groove 3 on the inner side of the bottom of the sleeve 2 and put it on the structure to be adjusted; if it is a square structure, the sleeve block 5 needs to be moved downward first so that the square groove 6 on the inner side of the bottom of the sleeve block 5 is aligned and put on the structure to be adjusted.

[0035] The specific usage method is that the user holds the fixed rod 1 and rotates the entire wrench. Through the engagement of the hexagonal groove 3 of the sleeve 2 or the quadrangular groove 6 of the sleeve block 5 with the structure to be adjusted, the structure to be adjusted is driven to rotate, thereby achieving the adjustment purpose.

[0036] In this structure, the sleeve block 5 is connected to the sleeve 2 via a nested connection and can move up and down within the sleeve 2. This structural design allows the wrench to adapt to different shapes of structures to be adjusted. The connecting rod 4 and the fixing rod 1 are welded to the sleeve block 5 and the sleeve 2 respectively, ensuring effective force transmission during operation and facilitating user adjustment by rotating the wrench.

[0037] like Figures 1-6 As shown, the sleeve 5 is connected to the sleeve 2 by a nested connection, and the sleeve 5 can move up and down inside the sleeve 2. The oil filling groove 7 completely penetrates the sleeve 5. The air bag 8 is connected to the sleeve 5 by a threaded connection. A one-way valve is provided in the middle of the bottom of the air bag 8. The opening of the oil filling groove 7 coincides with the position of the one-way valve. The inside of the air bag 8 is filled with lubricating oil. The upper and lower sides of the spring 9 are connected to the connecting rod 4 and the sleeve 2 by welding connection. The spring 9 pulls the connecting rod 4 to the upper side of the sleeve 2. The connecting rod 4 and the fixing rod 1 are connected to the sleeve 5 and the sleeve 2 by welding connection.

[0038] Optionally, the oil filling groove 7 is designed to completely penetrate the sleeve 5, allowing lubricating oil to be delivered unimpeded from one end of the airbag 8 to the structure to be adjusted. The inner diameter of the oil filling groove 7 determines the oil output, ensuring that the lubricating oil can flow out at an appropriate flow rate while preventing lubricating oil leakage due to an excessively large inner diameter or obstruction of lubricating oil delivery due to an excessively small inner diameter.

[0039] Preferably, when the user needs to lubricate the connection part or the structure to be adjusted, the air bladder 8 on the upper left side of the sleeve block 5 is squeezed. The inside of the air bladder 8 is filled with lubricating oil. When squeezed, the lubricating oil flows into the oil injection groove 7 through the one-way valve set in the middle of the bottom of the air bladder 8 under pressure. Then, due to the characteristic that the oil injection groove 7 completely penetrates the sleeve block 5, the lubricating oil is delivered to the structure to be adjusted, so as to play a lubrication role.

[0040] In this structure, the airbag 8 and the sleeve 5 are connected by threads, which is a stable connection and facilitates disassembly, maintenance, and lubrication. The one-way valve in the middle of the bottom of the airbag 8 coincides with the opening on the upper side of the oil filling groove 7, ensuring that the lubricating oil can only flow from the airbag 8 into the oil filling groove 7 in one direction, preventing the lubricating oil from flowing back.

[0041] When the user squeezes the air bag 8, the internal pressure increases, pushing the lubricating oil through the one-way valve into the oil injection groove 7, and then playing a lubricating role on the structure to be adjusted in contact with the wrench.

[0042] In addition, the connection between the sleeve 2 and the connecting rod 4 is provided with a spring 9, and the tension of the spring 9 always makes the connecting rod 4 receive a pulling force upwardly to the sleeve 2, so as to drive the sleeve block 5 to be close to the sleeve 2 when no adjustment operation is performed, and maintain the stability of the wrench overall structure, prevent the sleeve block 5 from shaking randomly, and facilitate the user to use the wrench for adjustment operation at any time.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. A valve adjusting wrench, comprising a sleeve (2) and a fixed rod (1) arranged on the upper right side of the sleeve (2); A sleeve block (5) is arranged on the inner side of the sleeve (2), and a connecting rod (4) is arranged on the upper right side of the sleeve block (5); A four-corner groove (6) is formed on the bottom inner side of the sleeve block (5), and a hexagonal groove (3) is formed on the bottom inner side of the sleeve (2); characterized in that An air bag (8) is arranged on the outer left upper side of the sleeve block (5), and an oil injection groove (7) is formed on the inner middle side of the sleeve block (5); A spring (9) is arranged at the connecting position of the sleeve (2) and the connecting rod (4).

2. A valve adjustment wrench as set forth in claim 1, further comprising: The sleeve block (5) is connected with the sleeve (2) by sleeving and embedding, and the sleeve block (5) can move up and down in the sleeve (2).

3. A valve adjustment wrench as set forth in claim 2, further comprising: The oil injection groove (7) completely penetrates the sleeve block (5), and the air bag (8) is connected with the sleeve block (5) by screwing.

4. A valve adjustment wrench as set forth in claim 3, further comprising: A one-way valve is arranged on the lower middle side of the air bag (8), and the upper opening of the oil injection groove (7) coincides with the position of the one-way valve.

5. A valve adjustment wrench as set forth in claim 4, further comprising: The inner side of the air bag (8) is filled with lubricating oil, and the upper and lower sides of the spring (9) are respectively connected with the connecting rod (4) and the sleeve (2) by welding.

6. A valve adjustment wrench as set forth in claim 1, further comprising: The spring (9) pulls the connecting rod (4) upward to the upper side of the sleeve (2), and the connecting rod (4) and the fixed rod (1) are respectively connected with the sleeve block (5) and the sleeve (2) by welding.