CN211118662U - Novel grease gun head and grease gun - Google Patents
Novel grease gun head and grease gun Download PDFInfo
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- CN211118662U CN211118662U CN201922425284.XU CN201922425284U CN211118662U CN 211118662 U CN211118662 U CN 211118662U CN 201922425284 U CN201922425284 U CN 201922425284U CN 211118662 U CN211118662 U CN 211118662U
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- oil
- grease
- oil return
- gun
- gun head
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Abstract
The utility model relates to a novel grease gun rifle head and grease gun, wherein, novel grease gun rifle head includes rifle head body and presses oil piston, be provided with L shape cavity in the rifle head body, L shape cavity is provided with the pump jack that communicates with a gun section of thick bamboo, press oil piston be suitable for when taking out with the butter in the gun section of thick bamboo through pump jack suction in L shape cavity, and when impressing with L shape cavity butter from the oil-out extrusion, L shape cavity is provided with the oil return opening, the oil return opening is suitable for with L shape cavity and gun section of thick bamboo communicate, so that be suitable for pressing oil piston and return part butter from the oil return opening into the gun section of thick bamboo when impressing, through set up the oil return opening in the cavity, make the oil area of pressing oil piston when impressing increase, reduce the pressing force that presses oil piston's pressing force, thereby reach laborsaving mesh.
Description
Technical Field
The utility model relates to a grease gun field, concretely relates to novel grease gun rifle head and grease gun.
Background
The lubricating grease is commonly called butter and is generally sold in barrels. The grease is added to the mechanical parts by a grease gun.
When the existing grease gun is used, because the length of an oil cavity of the gun head part is too long, more pressure is needed to be used when the grease gun is used, grease in the oil cavity is extruded out, and the grease gun is extremely inconvenient to use.
How to solve the above problems is a need to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel grease gun rifle head and grease gun to realize reducing the purpose of the pressing force of grease gun when using.
In order to solve the technical problem, the utility model provides a novel grease gun rifle head, include:
the gun head body and the oil pressing piston;
an L-shaped cavity is arranged in the gun head body;
the L-shaped cavity is provided with an oil pumping port communicated with the gun barrel;
the pressure oil piston is suitable for pumping the grease in the gun barrel into the L cavity through the oil pumping port when being pumped out, and pressing the grease in the L cavity out of the oil outlet when being pressed in;
an oil return port is arranged in the L-shaped cavity;
the oil return port is suitable for communicating the L-shaped cavity with the gun barrel so as to be suitable for returning part of grease into the gun barrel from the oil return port when the pressure oil piston is pressed in.
Further, the oil return port is arranged between the oil outlet and the oil pumping port in the L-shaped cavity.
Further, the gun head body is provided with a shell;
a screw hole is formed in the position, corresponding to the oil return port, of the shell;
the novel grease gun head further comprises an oil return screw;
the oil return screw is suitable for blocking the oil return opening after penetrating through the screw hole when being screwed down.
Furthermore, the pressure oil piston is inserted into the L-shaped cavity after passing through a fixing plate and a sealing washer.
Furthermore, the novel grease gun head also comprises a handle and a connecting rod;
the handle is rotationally connected with the gun head body through the connecting rod and is suitable for drawing out or pressing the oil pressing piston into the L-shaped cavity when rotating.
Further, the number of the oil return openings is one.
Furthermore, the number of the oil return openings is multiple.
The utility model also provides a grease gun, the grease gun includes as above-mentioned novel grease gun rifle head.
The beneficial effects of the utility model are that, the utility model provides a novel grease gun rifle head and grease gun, wherein, novel grease gun rifle head includes rifle head body and presses the oil piston, this internal L shape cavity that is provided with of rifle head, L shape cavity is provided with the pump jack that communicates with a gun section of thick bamboo, press the oil piston be suitable for when taking out with the butter in the gun section of thick bamboo through the pump jack suction in L shape cavity, and will when impressing the L shape cavity butter from the oil-out extrusion of oil, L shape cavity is internal to be provided with the oil return opening, the oil return opening be suitable for with L shape cavity and gun section of thick bamboo communicate to be suitable for pressing the oil piston and returning partial butter into the gun section of thick bamboo from the oil return opening when impressing, through set up the oil return opening in the cavity, make the oil discharge area increase of pressing the oil piston when impressing, reduce the pressure oil piston's pressing force, thereby reach laborsaving mesh.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an exploded view of the head of the grease gun according to the present invention.
Fig. 2 is a sectional view taken in the direction a of fig. 1.
Fig. 3 is a schematic structural view of the grease gun provided by the present invention.
In the drawing, 100-a novel grease gun head, 110-a gun head body, 111-L-shaped cavities, 1111-an oil pumping port, 1112-an oil outlet, 1113-an oil return port, 112-a shell, 1121-a screw hole, 120-a pressure oil piston, 130-an oil return screw, 140-a fixing plate, 150-a sealing washer, 160-a handle and 170-a connecting rod.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1
Referring to fig. 1-2, in this embodiment 1, a novel grease gun head 100 is provided, which includes a gun head body 110 and a grease piston 120, a L-shaped cavity 111 is provided in the gun head body 110, a grease pumping port 1111 that is communicated with a gun barrel is provided in the L-shaped cavity 111, the grease piston 120 is adapted to pump grease in the gun barrel into the L-shaped cavity 111 through the grease pumping port 1111 during drawing and press grease out of the grease outlet port 1112 in the L-shaped cavity 111 during pressing, a grease return port 1113 is provided in the L-shaped cavity 111, the grease return port 1113 is adapted to communicate the L-shaped cavity 111 with the gun barrel so as to enable a part of grease to return into the gun barrel from the grease return port 1113 during pressing of the grease piston 120, and by providing the grease return port 1113 in the cavity, an oil outlet area of the grease piston 120 during pressing is increased, and a pressing force of the grease piston 120 is reduced, thereby achieving a purpose of saving labor.
In the present embodiment, the oil return port 1113 is disposed between the oil outlet 1112 and the oil pumping port 1111 in the L-shaped cavity 111.
In this embodiment, the gun head body 110 is provided with a housing 112, a screw hole 1121 is formed in a position of the housing 112 corresponding to the oil return port 1113, the novel grease gun head 100 further comprises an oil return screw 130, the oil return screw 130 is suitable for penetrating through the screw hole 1121 and then blocking the oil return port 1113 when being screwed, the oil return screw 130 is screwed before the grease pressing piston 120 is drawn out to ensure that grease smoothly enters the L-shaped cavity 111 from the oil suction port 1111, the oil return screw 130 is loosened when the grease pressing piston 120 is pressed in to leak the oil return port 1113, so that when the grease pressing piston 120 moves in the L-shaped cavity 111, part of the grease can flow back into the gun barrel from the oil return port 1113 to reduce the pressure required when the grease pressing piston 120 is pressed in, and in other embodiments, the oil return screw and the screw hole can be connected in a fastening manner such as clamping, interference and the like.
In this embodiment, the pressure oil piston 120 is inserted into the L-shaped cavity 111 through the fixing plate 140 and the sealing washer 150, and the sealing washer 150 ensures that grease is not carried out when the part of the pressure oil piston 120 leaking out of the gun head body 110 moves in the L-shaped cavity 111, thereby preventing oil leakage.
In this embodiment, the novel grease gun head 100 further comprises a handle 160 and a connecting rod 170, wherein the handle 160 is rotatably connected with the gun head body 110 through the connecting rod 170, and is suitable for drawing or pressing the pressure oil piston 120 into the L-shaped cavity 111 during rotation.
In other embodiments, the number of the oil return openings 1113 is multiple, and the multiple oil return openings 1113 may be oppositely arranged in the L-shaped cavity 111 or may be arranged at intervals, so as to meet the requirements of people with different hand strength.
Referring to fig. 3, the present embodiment further provides a grease gun, which includes the novel grease gun head 100 as described above. By arranging the oil return port 1113 in the cavity, the oil outlet area of the oil pressing piston 120 during pressing in is increased, and the pressing force of the oil pressing piston 120 is reduced, so that the aim of saving labor is fulfilled.
To sum up, the utility model provides a novel grease gun rifle head and grease gun, wherein, novel grease gun rifle head includes rifle head body and presses oil piston, be provided with L shape cavity in the rifle head body, L shape cavity is provided with the pump jack that communicates with the gun barrel, press oil piston is suitable for when taking out with the butter in the gun barrel through pump jack suction in L shape cavity, and when impressing with L shape cavity butter from the oil-out extrusion, L shape cavity is provided with the oil return opening, the oil return opening is suitable for with L shape cavity and gun barrel communicate, so that be suitable for press oil piston when impressing with part butter from the oil return opening in the gun barrel, through set up the oil return opening in the cavity, make the oil output area of pressing oil piston when impressing increase, reduce the pressing force of pressing oil piston, thereby reach laborsaving purpose.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A novel grease gun head, characterized in that includes:
the gun head body and the oil pressing piston;
an L-shaped cavity is arranged in the gun head body;
the L-shaped cavity is provided with an oil pumping port communicated with the gun barrel;
the pressure oil piston is suitable for pumping the grease in the gun barrel into the L cavity through the oil pumping port when being pumped out, and pressing the grease in the L cavity out of the oil outlet when being pressed in;
an oil return port is arranged in the L-shaped cavity;
the oil return port is suitable for communicating the L-shaped cavity with the gun barrel so as to be suitable for returning part of grease into the gun barrel from the oil return port when the pressure oil piston is pressed in.
2. A novel grease gun head according to claim 1,
the oil return port is arranged between the oil outlet and the oil pumping port in the L-shaped cavity.
3. A novel grease gun head according to claim 1,
the gun head body is provided with a shell;
a screw hole is formed in the position, corresponding to the oil return port, of the shell;
the novel grease gun head further comprises an oil return screw;
the oil return screw is suitable for blocking the oil return opening after penetrating through the screw hole when being screwed down.
4. A novel grease gun head according to claim 1,
the pressure oil piston is inserted into the L-shaped cavity after passing through a fixing plate and a sealing washer.
5. A novel grease gun head according to claim 4,
the novel grease gun head also comprises a handle and a connecting rod;
the handle is rotationally connected with the gun head body through the connecting rod and is suitable for drawing out or pressing the oil pressing piston into the L-shaped cavity when rotating.
6. A novel grease gun head according to claim 1,
the number of the oil return openings is one.
7. A novel grease gun head according to claim 1,
the number of the oil return openings is multiple.
8. A grease gun, characterized in that it comprises a novel grease gun head according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425284.XU CN211118662U (en) | 2019-12-30 | 2019-12-30 | Novel grease gun head and grease gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425284.XU CN211118662U (en) | 2019-12-30 | 2019-12-30 | Novel grease gun head and grease gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211118662U true CN211118662U (en) | 2020-07-28 |
Family
ID=71701735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922425284.XU Active CN211118662U (en) | 2019-12-30 | 2019-12-30 | Novel grease gun head and grease gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211118662U (en) |
-
2019
- 2019-12-30 CN CN201922425284.XU patent/CN211118662U/en active Active
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