Grease gun hole plug structure
By using a nylon plug in the grease gun to prevent accidental operation of the adjusting screw, the problem of non-professional users being unable to adjust it correctly is solved, resulting in smooth grease flow and improved appearance.
Patent Information
- Application Number
- CN202520268400.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Non-professional users cannot properly adjust the adjusting screw of the grease gun, resulting in uneven grease flow and a lack of clarity, which affects the user experience.
A grease gun hole plug structure was designed, which uses an external hexagonal hole plug made of nylon material to fit tightly into the concave head of the internal hexagonal adjusting screw, preventing users from adjusting it arbitrarily, and distinguishing functions by color or shape to increase recognizability and aesthetics.
Reduces the possibility of misoperation, ensures smooth oil flow and improves product appearance, and provides professional prompts.
Smart Images

Figure CN223826036U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a lubrication tool, and more particularly to a grease gun plug structure that avoids misoperation and is easily identifiable. Background Technology
[0002] A grease gun is a hand tool used to add lubricating grease to mechanical equipment. (See also: [link to grease gun description]) Figure 4 As shown, the conventional grease gun 9, as disclosed in Chinese utility model CN114763873A "A Grease Gun with Adjustable Pressure", includes a gun body 90, a nozzle 91, a channel 92 and a pressure rod 93. An adjusting screw 921 is also provided at one end of the channel 92. The main purpose of the adjusting screw 921 is to control the flow rate and adjust the pressure inside the gun body 90.
[0003] However, non-professional users cannot adjust the adjusting screw 901 with the help of tools, which affects the pressure value of the gun body 90. Furthermore, the adjusting screw 901 is not easily identifiable. Out of curiosity or by randomly adjusting and turning the adjusting screw 901, the conventional grease gun 9 cannot dispense grease smoothly. Therefore, it is necessary to improve the adjusting screw 901. Utility Model Content
[0004] Therefore, in view of the problems existing in the conventional grease gun mentioned above, the main purpose of this utility model is to provide a grease gun plug structure to prevent user misoperation; the secondary purpose of this utility model is to provide a grease gun plug structure that has a warning function and improves the overall appearance of the grease gun.
[0005] To achieve the above objectives, this utility model employs the following technical means:
[0006] This utility model provides a grease gun nozzle plug structure, characterized in that it comprises:
[0007] A grease gun, the grease gun having an upper cover, a tube body and a pressing rod assembly, wherein the tube body is connected to the upper cover and communicates with one end of a grease channel provided on the upper cover, and the grease channel radially penetrates the upper cover, and the pressing rod assembly is connected to the other end of the grease channel and pivotally connected to the upper cover;
[0008] An adjusting screw, the adjusting screw having a recessed head and a rod body, the rod body being connected to the other end of the grease channel of the grease gun; and
[0009] A plug is provided in the recessed head of the adjusting screw.
[0010] The plug is made of nylon.
[0011] The inner recessed head of the adjusting screw is hexagonal, and the plug is correspondingly hexagonal, and the hexagonal plug is inserted into the hexagonal recess.
[0012] The plug is tightly fixed to the inner recessed head of the adjusting screw.
[0013] An outlet extends axially from the grease passage of the upper cover, and a connector is arranged at the outlet.
[0014] A grease strip is further included and arranged in the tube.
[0015] The above technical means can achieve the following effects.
[0016] 1. The inner recessed head of the adjusting screw is filled with the plug, so that the smooth part cannot be recognized as a movable screw by the user, and the plug blocks the contact area of the adjusting screw, so that it is difficult to rotate the adjusting screw with a wrench, thereby reducing the possibility of user misoperation.
[0017] 2. The plug is set to different colors or shapes and filled in the inner recessed head of the adjusting screw, which can block the structure of the adjusting screw, so that the surface looks more beautiful and professional, and also serves as a prompt function of the product, thereby reminding whether the adjusting screw can be operated. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a schematic view of the grease gun plug structure of the utility model.
[0019] Figure 2A It is a sectional view of the grease gun plug structure of the utility model.
[0020] Figure 2B It is an X view. Figure 2A
[0021] Figure 3 It is an enlarged sectional view of the grease gun plug structure of the utility model.
[0022] Figure 4 It is a schematic view of the conventional grease gun.
[0023] BRIEF DESCRIPTION OF DRAWINGS: A-grease gun plug structure; 1-grease gun; 11-upper cover; 111-grease passage; 112-outlet; 113-connector; 12-tube; 121-grease strip; 13-pressing rod group; 2-adjusting screw; 21-inner recessed head; 211-hexagonal; 22-rod; 3-plug; 31-hexagonal; 9-conventional grease gun; 90-gun body; 91-blowing nozzle; 92-passage; 921-adjusting screw; 93-pressing rod. DETAILED DESCRIPTION
[0024] Referring to Figure 1 and Figure 2A , Figure 2B , the utility model provides a butter gun hole plug structure, is provided to reduce the possibility of user misoperation, it contains: a butter gun 1, a regulating screw 2 and a hole plug 3; the above-mentioned component cooperation drawing description as follows.
[0025] The above-mentioned butter gun 1, please refer to Figure 1 and Figure 2A , Figure 2B , the butter gun 1 is equipped with an upper cover 11, a pipe body 12 and a press rod group 13, wherein the pipe body 12 is additionally provided with a butter strip 121 and is connected to the upper cover 11 and is communicated with a butter passage 111 arranged therein, and the butter passage 111 penetrates the upper cover 11 radially, and the butter 111 extends to an outlet 112, and the outlet 112 is provided with a connector 113, and wherein the press rod group 13 is connected to the other end of the butter passage 111 and is pivoted to the upper cover 11.
[0026] The above-mentioned regulating screw 2, please refer to Figure 2A , Figure 2B , wherein the regulating screw 2 is provided with an inner recess head 21 and a rod body 22, and wherein the rod body 22 is connected to the other end of the butter passage 111 of the butter gun 1, and the inner recess head 21 is provided with an inner hexagonal 211.
[0027] The above-mentioned hole plug 3, please refer to Figure 1 and Figure 2A , Figure 2B , wherein the material of the hole plug 3 is nylon, and wherein the hole plug 3 is provided with an outer hexagonal 31 and is tightly fitted to the inner recess head 21 of the regulating screw 2.
[0028] Therefore, the utility model mainly provides a better solution for the butter gun hole plug structure, as shown in Figure 2A , Figure 2B and Figure 3 , wherein the pipe body 12 of a butter gun hole plug structure A replaces the butter strip 121 and is connected to the upper cover 11, and generates suction force through the press rod group 13, so that the butter in the butter strip 121 enters the butter passage 111 of the upper cover 11, and the regulating screw 2 is connected to the other end of the butter passage 111, and the butter passes through the butter passage 111 and flows out from the connector 113 of the outlet 112; in particular, the regulating screw 2 has the important sealing and pressure control effects on the butter passage 111, and professionals can adjust the function according to the different characteristics of butter.
[0029] Further, please refer to Figure 2A , Figure 2B and Figure 3As shown, the user often misunderstands the adjusting screw 2 as an operable part when purchasing the butter gun 1, and adjusts it at will with a hexagonal wrench, thereby affecting the pressure inside the butter gun 1 and causing the butter to flow out of order. In order to avoid user misoperation, the outer hexagonal part 31 of the hole plug 3 is tightly fitted and fixed to the inner hexagonal part 211 of the adjusting screw 2, so that the surface of the adjusting screw 2 cannot see the inner recessed head part 21, and the appearance of the butter gun 1 is increased. The user cannot arbitrarily remove and adjust the adjusting screw 2. It is particularly pointed out that the manufacturer can mark different colors on the hole plug 3, and define that each color has a different meaning, for example, red is the factory setting, clear is the customized setting, yellow is the factory repair setting, and the like.
[0030] Need to be pointed out that the above-mentioned is the technical principle used by the specific embodiments of the present application, if the changes made in accordance with the concept of the present application produce functions and effects that do not exceed the spirit of the present application, the present application and the drawings should be within the scope of the present application, and should be pointed out.
Claims
1. A grease gun nozzle plug structure, characterized in that, Includes: A grease gun, the grease gun having an upper cover, a tube body and a pressing rod assembly, wherein the tube body is connected to the upper cover and communicates with one end of a grease channel provided on the upper cover, and the grease channel radially penetrates the upper cover, and the pressing rod assembly is connected to the other end of the grease channel and pivotally connected to the upper cover; An adjusting screw, the adjusting screw having a recessed head and a rod body, the rod body being connected to the other end of the grease channel of the grease gun; and A plug is provided in the recessed head of the adjusting screw.
2. The grease gun nozzle plug structure as described in claim 1, characterized in that: The plug is made of nylon.
3. The grease gun nozzle plug structure as described in claim 1, characterized in that: The adjusting screw has an internal hexagonal head, while the corresponding plug is an external hexagonal head, and the external hexagonal head is inserted into the internal hexagonal head.
4. The grease gun nozzle plug structure as described in claim 3, characterized in that: The hole plug is securely fitted into the recessed head of the adjusting screw.
5. The grease gun plug structure as described in claim 1, characterized in that: An outlet extends axially from the grease channel of the top cover, and the outlet is fitted with a nozzle.
6. The grease gun nozzle plug structure as described in claim 1, characterized in that: It also includes a butter stick, which is placed in the tube.
Citation Information
Patent Citations
Pressure-adjustable grease gun
CN114763873A