CN101555981A - Lubricating gun - Google Patents
Lubricating gun Download PDFInfo
- Publication number
- CN101555981A CN101555981A CNA2009100115748A CN200910011574A CN101555981A CN 101555981 A CN101555981 A CN 101555981A CN A2009100115748 A CNA2009100115748 A CN A2009100115748A CN 200910011574 A CN200910011574 A CN 200910011574A CN 101555981 A CN101555981 A CN 101555981A
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- China
- Prior art keywords
- compressed air
- plunger pump
- grease
- oil
- gun
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a lubricating gun, which uses the compressed air for pushing the piston motion of a lubricating cylinder to supply oil for a plunger pump of a spearhead and supplement the pressure of supplying the oil to the plunger pump at any time; the oil supply pressure is not effected by the lubrication amount in the lubricating cylinder so that the lubricant in the lubricating cylinder is completely used; the adopted technical proposal is that the lubricating gun comprises a spearhead, a gun breech, a plunger pump hand handle and a connecting device used for connecting the spearhead and the gun breech; the spearhead is provided with the plunger pump, a nozzle tip, a nozzle tip retaining valve, and an oil-taking port spliced with a lubricating cylinder output port; the gun breech is provided with a compressed air cell which is provided with an air inlet; the connection of the compressed air cell and the lubricating cell is provided with a sealing glue ring; the casing of the bottom of the lubricating cylinder is connected with the wall of the compressed air cell by the sealing glue ring in a sealing way; the oil-taking port is provided with the sealing glue ring; and the air inlet is communicated with an air supply device by an air-supply pipe.
Description
Technical field
The present invention relates to a kind of grease compressor, especially a kind of grease gun for machine or equipment lubrication.
Background technique
A kind of common tool of maintaining machinery of grease gun, at present, the grease gun of selling on the market mostly is manual filling when loading butter in grease gun, time-consuming, effort and unhygienic, CN2577091 discloses the novel grease gun of a kind of quick charge of oil, this grease gun can use the good Grease tube of can in advance, adopt the mode of changing Grease tube to realize in grease gun, loading butter, but, this grease gun relies on the elastic force of spring to promote the plunger pump fuel feeding of the interior piston motion of Grease tube to the rifle head, the elastic force of spring can reduce gradually along with the minimizing of butter in the Grease tube, exists Grease tube to use the later stage, to the underpressure of plunger pump fuel feeding, butter in the Grease tube is easily residual, use halfway shortcoming, and this oil gun need be provided with a pull bar for pressure spring, when being full of butter in the Grease tube, pull bar will stretch out very long distance to the oil gun rear, has increased the length of grease gun, is unfavorable for the small space operation.
Summary of the invention
The technical problem that invention will solve:
A kind of grease gun is provided, and it is the plunger pump fuel feeding of rifle head that this grease gun adopts pressurized air to promote the Grease tube piston motion, replenishes the pressure to the plunger pump fuel feeding at any time, and charge oil pressure is not influenced by the butter amount in the Grease tube, and the butter in the Grease tube is used thoroughly.
The technological scheme that the technical solution problem is taked:
A kind of grease gun, comprise rifle head, gun breech, plunger pump handle and be used to connect the connection set of rifle head and gun breech, the oil-feed interface that on described rifle head, is provided with plunger pump, oil nozzle, oil nozzle one-way valve, pegs graft with the Grease tube oil outlet, be provided with compressed air cell at gun breech, described compressed air cell is provided with suction port, be provided with sealed rubber ring at compressed air cell and Grease tube joint, the Grease tube bottom enclosure is tightly connected by sealed rubber ring and compressed air cell wall, be provided with sealed rubber ring at the oil-feed interface, described suction port links by air supply pipe and air feeder.
As improvement of the present invention:
Establish the outlet valve of discharges compressed air chamber compressed air on the compressed air cell.
As a further improvement on the present invention:
Described air feeder is the pump that is integrated on the plunger pump handle.
Described pump comprises the piston rod that the plunger pump handle constitutes, the pump piston that is contained in piston-rod end, the sleeve of the end sealing that cooperates with the pump piston seal, closed end at sleeve is provided with inlet hole and one-way valve, be provided with exhaust port and one-way valve on the pump piston, exhaust port is through one-way valve and air supply pipe UNICOM.
Be provided with pin in pump piston end face and sleeve air inlet nose end, described pin is made of ⊥ type head and the ⊥ shape groove that matches with ⊥ shape head.
As preferred version of the present invention:
The connection set of described connection rifle head and gun breech comprises connecting rod, the sliding sleeve that matches with connecting rod and is used for fixing sliding sleeve and the locking device of connecting rod relative position, and described sliding on the connecting rod slided, and the rifle head is fixedlyed connected with connecting rod, and gun breech is fixedlyed connected with sliding sleeve.
Described locking device is the cam of a band spanner, and cam is connected with pitman shaft, and the outer rim that cam contacts with sliding sleeve is the helical line type.
Pocketed springs on the connecting rod between rifle head and sliding sleeve.
The filler opening of described plunger pump is arranged on the end face of plunger pump pumping cylinder, at filler opening one-way valve and one-way valve position-limited needle is set.
On the plunger of plunger pump, be provided with closure gasket groove, setting-in sealed rubber ring in closure gasket groove.
Beneficial effect:
In the present invention, owing to adopted at gun breech compressed air cell be set, promote the Grease tube piston motion with pressurized air, adjust pressure by replenishing air pressure to the plunger pump fuel feeding, make the influence that is not subjected to butter amount in the Grease tube to the pressure of plunger pump fuel feeding, the butter amount more also can keep enough pressure to the plunger pump fuel feeding in Grease tube, butter is used thoroughly, not residual, and overcome since the butter of different qualities or different season the butter stickiness difference to the influence of oil gun using effect, simultaneously, owing to replace spring to promote the Grease tube piston motion with air pressure, cancelled the pull bar in the common grease gun, length does not increase after making grease gun of the present invention load butter, uses, easy to carry, more help in the small space operation; Owing on compressed air cell, be provided with the outlet valve of discharges compressed air chamber compressed air, when changing Grease tube, discharge the compressed air cell compressed air by outlet valve earlier, avoided when changing Grease tube that instantaneous loss of pressure causes gas and greasy dirt splash in the compressed air cell; Because to have adopted air feeder is this technological means of pump that is integrated on the plunger pump handle, make grease gun air feeder of the present invention not need to take up space in addition, volume is identical with common grease gun, and more convenient when being the compressed air cell supplementary pressure; Owing to be provided with pin, prevent that sleeve skids off from the plunger pump handle when not needing supplementary pressure, use, easy to carry in pump piston end face and sleeve air inlet nose end; Owing to adopted connecting rod, the sliding sleeve that matches with connecting rod and locking device to constitute the connection set of rifle head and gun breech, the cam that adopts a band spanner is as locking device, and pocketed springs on the connecting rod between rifle head sliding sleeve makes grease gun of the present invention more convenient than the disclosed grease gun of CN2577091 when changing Grease tube; Because the filler opening of plunger pump is arranged on the end face of plunger pump pumping cylinder, at filler opening one-way valve and one-way valve position-limited needle are set, compare with the common grease gun that oil inlet hole is arranged on the pumping cylinder wall, grease gun of the present invention butter when plunger is pulled back can be full of the plunger pump pumping cylinder rapidly, shortened the oil suction stroke of plunger in the plunger pump, the plunger pump handle moves by a small margin and also can pump butter, more help the small space operation, in pressing oily process because without plunger sealing oil inlet hole, with the situation of the equidistant stroke of common grease gun plunger under increased by 1/3rd effective travel, single pump oil mass increases by 1/3rd; Owing to be provided with closure gasket groove on the plunger of plunger pump, setting-in sealed rubber ring in closure gasket groove makes that plunger and pumping cylinder sealing effect are better, and when avoiding the oiling resistance big, butter overflows along plunger and pumping cylinder gap.
Description of drawings
Fig. 1 is the structural representation of grease gun working state of the present invention;
Fig. 2 is the structural representation of grease gun of the present invention pump lock state when being unkitted Grease tube;
Fig. 3 is a grease gun plunger pump filler opening partial enlarged drawing of the present invention;
Fig. 4 is a grease gun plungers pump plunger partial enlarged drawing of the present invention;
Fig. 5 is a grease gun pump pin ⊥ shape schematic representation of the present invention;
Fig. 6 is a grease gun pump pin ⊥ groove schematic representation of the present invention.
Embodiment
Fig. 1, Fig. 2 shows agent structure of the present invention, a kind of grease gun, comprise rifle head 3, gun breech 27, described rifle head 3 and gun breech 27 are by connecting rod 7, be connected with the sliding sleeve 9 that connecting rod 7 matches, sliding sleeve 9 slides on connecting rod 7, rifle head 3 is fixedlyed connected with connecting rod 7, gun breech 27 is fixedlyed connected with sliding sleeve 9, near the gun breech end locking device is set at connecting rod 7, make Grease tube oil outlet and bottom can be respectively with the rifle head on oil-feed interface 4 closely contact with gun breech, described locking device is the cam 10 of a band spanner 8, cam 10 is connected by 7 on axle 11 and connecting rod, the outer rim that cam 10 contacts with sliding sleeve 9 is the helical line type, driving cam 10 when depressing spanner 8 rotates around axle 11, cam 10 is pushed sliding sleeve 9 to rifle head direction, sliding sleeve 9 drives gun breech and moves to rifle head direction, make and be installed in that Grease tube is locked between rifle head and gun breech, gun breech moves after can be automatically when spanner 8 is opened, to be installed in that Grease tube separates fast between rifle head and gun breech, pocketed springs 6 on the connecting rod between rifle head and sliding sleeve, elastic force by spring pushes gun breech away from rifle head direction to, made things convenient for the taking-up of Grease tube, on described rifle head 3, be provided with plunger pump, oil nozzle 1, oil-feed interface 4 with the grafting of Grease tube 5 oil outlets, oil nozzle 1 is by oil nozzle one-way valve 2 and plunger pump oil outlet UNICOM, oil-feed interface 4 is provided with sealed rubber ring 16, plunger pump provides power by plunger pump handle 15, be provided with compressed air cell 29 at gun breech 27, promoting Grease tube piston 17 with the pressurized air in the compressed air cell 29 moves, butter in the Grease tube is expressed to the filler opening of plunger pump, on compressed air cell 29, be provided with suction port 12, be provided with sealed rubber ring 26 at gun breech and Grease tube 5 joints, the Grease tube bottom enclosure is tightly connected by sealed rubber ring 26 and compressed air cell wall, described suction port 12 links by air supply pipe 13 and air feeder, establish the outlet valve 28 of discharges compressed air chamber compressed air on the compressed air cell 29, when changing Grease tube, discharge the compressed air cell compressed air by outlet valve 28 earlier, avoided when changing Grease tube that instantaneous loss of pressure causes gas and greasy dirt splash in the compressed air cell, described air feeder is the pump that is integrated on the plunger pump handle 15, described pump comprises the piston rod that plunger pump handle 15 constitutes, be contained in the pump piston 18 of piston-rod end, the sleeve 22 of the end sealing that cooperates with the pump piston seal, closed end at sleeve is provided with inlet hole 25 and one-way valve 24, on pump piston 18, be provided with exhaust port 20 and one-way valve 19, exhaust port 20 is through one-way valve 19 and air supply pipe 13 UNICOMs, be embodied as compressed air cell pressurization by 22 to-and-fro motion of the sleeve on the pump, be provided with pin at the end face and the sleeve 22 air inlet nose ends of pump piston 18.
As Fig. 5, shown in Figure 6, described pin constitutes by ⊥ type head 21 with ⊥ shape 21 a ⊥ shape groove 23 that match, when not needing to pressurize, push sleeve 22 to pump piston 18, make ⊥ type head 21 enter angle of ⊥ shape groove 23 back rotations, ⊥ type head 21 is stuck in the ⊥ shape groove 23, realizes the fixing of sleeve 22.
As shown in Figure 1, the filler opening with plunger pump is arranged on the end face of plunger pump pumping cylinder.
As shown in Figure 3, at filler opening one-way valve 30 and one-way valve position-limited needle 31 are set.
As shown in Figure 4, on the plunger 14 of plunger pump, be provided with closure gasket groove 33, setting-in seal ring 32 in closure gasket groove 33, because the filler opening of plunger pump is arranged on the end face of plunger pump pumping cylinder, at filler opening one-way valve and one-way valve position-limited needle are set, butter can be full of the plunger pump pumping cylinder rapidly when plunger is pulled back, shortened the oil suction stroke of plunger in the plunger pump, the plunger pump handle moves by a small margin and also can pump butter, more help the small space operation, in pressing oily process because without plunger sealing oil inlet hole, with the situation of the equidistant stroke of common grease gun plunger under increased by 1/3rd effective travel, single pump oil mass increases by 1/3rd; Owing to be provided with closure gasket groove on the plunger of plunger pump, setting-in seal ring in closure gasket groove makes that plunger and pumping cylinder sealing effect are better, and when avoiding the oiling resistance big, butter overflows along plunger and pumping cylinder gap.
Claims (10)
1, a kind of grease gun, comprise rifle head (3), gun breech (27), plunger pump handle (15) and be used to connect the connection set of rifle head (3) and gun breech (27), on described rifle head (3), be provided with plunger pump, oil nozzle (1), oil nozzle one-way valve (2), oil-feed interface (4) with the grafting of Grease tube (5) oil outlet, it is characterized in that: be provided with compressed air cell (29) at gun breech (27), described compressed air cell (29) is provided with suction port (12), be provided with sealed rubber ring (26) in compressed air cell (29) and Grease tube (5) joint, the Grease tube bottom enclosure is tightly connected by sealed rubber ring (26) and compressed air cell wall, be provided with sealed rubber ring (16) at oil-feed interface (4), described suction port (12) links by air supply pipe (13) and air feeder.
2, a kind of grease gun according to claim 1 is characterized in that: the outlet valve (28) of establishing discharges compressed air chamber compressed air on the compressed air cell (29).
3, a kind of grease gun according to claim 2 is characterized in that: described air feeder is for being integrated in the pump on the plunger pump handle (15).
4, a kind of grease gun according to claim 3, it is characterized in that: described pump comprises the piston rod that plunger pump handle (15) constitutes, the pump piston (18) that is contained in piston-rod end, the sleeve (22) of the end sealing that cooperates with the pump piston seal, closed end at sleeve is provided with inlet hole (25) and one-way valve (24), be provided with exhaust port (20) and one-way valve (19) on pump piston (18), exhaust port (20) is through one-way valve (19) and air supply pipe (13) UNICOM.
5, a kind of grease gun according to claim 4 is characterized in that: end face and sleeve (22) air inlet nose end at pump piston (18) are provided with pin, and described pin is made of ⊥ type head (21) and the ⊥ shape groove (23) that matches with ⊥ shape head (21).
6, according to each described a kind of grease gun of claim 1 to 5, it is characterized in that: the connection set of described connection rifle head (3) and gun breech (27) comprises connecting rod (7), the sliding sleeve (9) that matches with connecting rod (7) and is used for fixing sliding sleeve and the locking device of connecting rod relative position, described sliding sleeve (9) is gone up at connecting rod (7) and is slided, rifle head (3) is fixedlyed connected with connecting rod (7), and gun breech (27) is fixedlyed connected with sliding sleeve (9).
7, a kind of grease gun according to claim 6 is characterized in that: described locking device is the cam (10) of a band spanner (8), and cam (10) is connected with connecting rod (7) axle, and the outer rim that cam (10) contacts with sliding sleeve (9) is the helical line type.
8, a kind of grease gun according to claim 7 is characterized in that: the connecting rod (7) between rifle head (3) and sliding sleeve (9) is gone up pocketed springs (6).
9, a kind of grease gun according to claim 1 is characterized in that: the filler opening of described plunger pump is arranged on the end face of plunger pump pumping cylinder, at filler opening one-way valve (30) and one-way valve (30) position-limited needle (31) is set.
10, a kind of grease gun according to claim 9 is characterized in that: be provided with closure gasket groove (33) on the plunger (14) of plunger pump, setting-in sealed rubber ring (32) in closure gasket groove (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100115748A CN101555981B (en) | 2009-05-18 | 2009-05-18 | Lubricating gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100115748A CN101555981B (en) | 2009-05-18 | 2009-05-18 | Lubricating gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101555981A true CN101555981A (en) | 2009-10-14 |
| CN101555981B CN101555981B (en) | 2012-05-30 |
Family
ID=41174202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100115748A Expired - Fee Related CN101555981B (en) | 2009-05-18 | 2009-05-18 | Lubricating gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101555981B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571647A (en) * | 2017-03-11 | 2018-09-25 | 陈军明 | A kind of reducing grease gun pump head |
| CN109027652A (en) * | 2018-09-17 | 2018-12-18 | 长兴鸿运织造有限公司 | A kind of lubricating arrangement on Weaving device |
| CN113550948A (en) * | 2021-07-26 | 2021-10-26 | 浙江飞越机电有限公司 | Pressure relief and exhaust structure of hydraulic pipe fitting machining tool |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101820803B1 (en) | 2017-05-24 | 2018-01-22 | 정영미 | Grease gun with mine Grease gun |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2059477U (en) * | 1989-06-06 | 1990-07-18 | 韩继斌 | Universal grease gun with pressing handle |
| CN2106949U (en) * | 1991-12-21 | 1992-06-10 | 金汉城 | Flexible lubricating grease gun |
| CN2152134Y (en) * | 1992-09-11 | 1994-01-05 | 白光洙 | Grease gun |
| US6834781B1 (en) * | 2000-05-01 | 2004-12-28 | John J. Mueller | Grease gun with air bleed valve |
| CN201412657Y (en) * | 2009-05-18 | 2010-02-24 | 高德财 | Grease gun |
-
2009
- 2009-05-18 CN CN2009100115748A patent/CN101555981B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571647A (en) * | 2017-03-11 | 2018-09-25 | 陈军明 | A kind of reducing grease gun pump head |
| CN108571647B (en) * | 2017-03-11 | 2024-04-23 | 陈军明 | Reducing grease gun pump head |
| CN109027652A (en) * | 2018-09-17 | 2018-12-18 | 长兴鸿运织造有限公司 | A kind of lubricating arrangement on Weaving device |
| CN113550948A (en) * | 2021-07-26 | 2021-10-26 | 浙江飞越机电有限公司 | Pressure relief and exhaust structure of hydraulic pipe fitting machining tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101555981B (en) | 2012-05-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20180518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |