CN202100921U - Exhaust device applied to grease gun - Google Patents
Exhaust device applied to grease gun Download PDFInfo
- Publication number
- CN202100921U CN202100921U CN2011201825662U CN201120182566U CN202100921U CN 202100921 U CN202100921 U CN 202100921U CN 2011201825662 U CN2011201825662 U CN 2011201825662U CN 201120182566 U CN201120182566 U CN 201120182566U CN 202100921 U CN202100921 U CN 202100921U
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- Prior art keywords
- runner
- grease gun
- passage
- pressing member
- back segment
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Abstract
The utility model relates to an exhaust device applied to a grease gun, which comprises a body. The body is provided with a front end and a rear end. The exhaust device is used in a mode that the rear end of the body is connected with an outlet end of the grease gun. A flow passage is arranged inside the body from the front end to the rear end in a through way. The flow passage is provided with a front section and a rear section, wherein the outer diameter of the front section is greater than the outer diameter of the rear section; and a normally-closed valve is arranged in the front section of the flow passage and is used for normally closing a joint from the rear section to the front section of the flow passage. The side edge of the body is provided with a through hole communicated to the rear section of the flow passage. An exhaust valve is arranged in the through hole. The exhaust valve is in a normally-closed state, but can be controlled to be opened. When the exhaust valve is opened, air which is in the flow passage and is pushed and squeezed by a spurt rod of the grease gun can be exhausted out of the flow passage through the exhaust valve. The air in the flow passage of the grease gun can be effectively exhausted by the exhaust device, so that the exhaust device has the effect of ensuring the grease gun to continuously and effectively actuate.
Description
Technical field
The utility model relates to the venting gas appliance technical field, particularly a kind of venting gas appliance of discharging the air that butter is coated in the grease gun.
Background technique
The use principle of grease gun is to be to utilize the shift reciprocately of purt bar in rifle body runner, so that the butter in the runner is continued to push out; Wherein the purt bar is forward during displacement; Butter in the runner is pushed out muzzle by the purt bar, then is positioned at the check valve sealing muzzle of muzzle, makes the purt bar cause the air pressure in the runner to descend during displacement backward; The grease bucket inside that is arranged in grease gun then forms relatively high pressure; And pressure difference lets the butter in the grease bucket get into runner by this, is pushed away during displacement forward in purt bar next time again, and circulating with this is the sustainable butter of seeing off.But generally using the custom of grease gun, is the grease bucket that uses up to be loaded butter more again continue to use, and in the process of filling again; The situation of air can take place to coat in the butter unavoidablely, and again because the difference of each fluid properties, promptly butter can't be compressed and air is passable; And cause in the process of purt bar shift reciprocately in runner; Butter is pushed out gradually and air builds up and stays in runner, and makes the purt bar when displacement backward, and the pressure in the runner falls more and more littler; Finally cause the pressure difference of runner and grease bucket too small; Butter in the grease bucket can't get into runner, forms the purt bar and in runner, pushes the idle running situation of air always, and can't butter be released.Though the grease gun that also has has the design of similar venting gas appliance, see that it is located on the grease bucket, or be located on the side body of a gun of grease gun; Yet venting gas appliance is located at these positions, removes non-air and just is accumulated in these positions, does not have exhaust effect otherwise be still; Moreover; Usually the grease gun of usefulness does not have the mobile design to the venting gas appliance position of direct air, and promptly can the vent design of grease gun commonly used come into force and can only depend on fortune, and such venting gas appliance practicability is relatively poor.
The model utility content
The purpose of the utility model provides a kind of venting gas appliance that is applied to grease gun, and it can effectively discharge the air in the grease gun runner, thereby has the effect that makes the start of grease gun continuous and effective.
For realizing above-mentioned purpose, the utility model is taked following technological scheme:
A kind of venting gas appliance that is applied to grease gun, it comprises:
One body, this body have a front end and a rear end, and this rear end is arranged in the outlet end of grease gun; Said body interior has provided a runner from said front end to said rear end; This runner has a leading portion and a back segment, and the external diameter of wherein said leading portion is greater than the external diameter of said back segment, and is provided with a normally close valve in the leading portion of said runner; With the back segment of this runner of normality property ground sealing interface toward leading portion, and the lateral margin of said body be provided with one be communicated to this runner back segment through hole;
One outlet valve is located in the said through hole, and this outlet valve is normally off but can opens through control, and when this exhaust valve opening, the back segment of said runner can be communicated to the external world through this outlet valve.
Said normally close valve includes block piece and the elastic component of an external diameter greater than said runner back segment, and is located in regular turn in the leading portion of said runner, makes the elastic force normality property ground of this this elastic component of block piece mat seal the interface of the back segment of said runner toward leading portion.
Said outlet valve has one and is communicated with passage extraneous and said runner back segment; And in this passage, be provided with a pressing member and an elastic component; Wherein this pressing member bottom be provided with one can seal said passage stop block; And receive the said passage of effect and normality property ground sealing of this elastic component, when pushing this pressing member, said stop block is driven and the back segment of said passage of conducting and said runner by this pressing member.
The front end of said body can connect to establish and prolong pipe in order to do supplying use.
Periphery at said stop block more is equipped with a seal ring.
Be provided with the fixed block of this passage of sealing along the periphery ring of said pressing member; Said elastic component is located on this fixed block; And being provided with a vent below this fixed block, said passage is communicated to the external world; When pushing said pressing member and making the back segment conducting of said passage and said runner, but the back segment mat passage of runner and said vent are communicated to the external world.
A kind of venting gas appliance that is applied to grease gun; On the inner runner that supplies butter to flow of grease gun, be provided with an outlet valve and a normally close valve in regular turn towards the grease gun Way out; Wherein this outlet valve is located on the grease gun and is connected to runner; This outlet valve is normally off but can opens through control that when this exhaust valve opening, the runner of grease gun can be communicated to the external world through this outlet valve; Said normally close valve is located at the outlet end of runner, and this normally close valve is the normality closed condition, the outlet of normality property ground closed flow.
Said normally close valve includes block piece and the elastic component of an external diameter greater than the grease gun runner, and is located at the outlet end of runner in regular turn, makes the outlet of the said runner of effect normality property ground sealing of this this elastic component of block piece mat.
Said outlet valve has one and is communicated with passage extraneous and the grease gun runner; And in this passage, be provided with a pressing member and an elastic component; Wherein this pressing member bottom be provided with one can seal this passage stop block; And receive this passage of effect and normality property ground sealing of this elastic component, when pushing this pressing member, said stop block is driven and the runner of this passage of conducting and grease gun by this pressing member.
Periphery at said stop block more is equipped with a seal ring.
The beneficial effect of the utility model is: it can effectively discharge the air in the grease gun runner, thereby has the effect that makes the start of grease gun continuous and effective.
Description of drawings
Fig. 1 is the utility model embodiment 1 a sectional drawing.
Fig. 2 makes the user mode figure one of use-case for the utility model embodiment 1 first.
Fig. 3 makes the user mode figure two of use-case for the utility model embodiment 1 first.
Fig. 4 makes the user mode figure three of use-case for the utility model embodiment 1 first.
Fig. 5 makes the user mode figure four of use-case for the utility model embodiment 1 first.
Fig. 6 makes the user mode figure five of use-case for the utility model embodiment 1 first.
Fig. 7 makes the user mode figure six of use-case for the utility model embodiment 1 first.
Fig. 8 makes the user mode figure of use-case for the utility model embodiment 1 second.
Fig. 9 is the utility model embodiment 2 a user mode sectional drawing.
Embodiment
Referring to shown in Figure 1; Be a kind of embodiment 1 who is applied to the venting gas appliance of grease gun that the utility model provided; It includes a body 1, and this body 1 has a front end 11 and a rear end 12, and the outboard peripheries of this rear end 12 is provided with a screw thread 121; And use with the outlet end that this rear end 12 is bolted in grease gun, and this front end 11 also can connect to establish again and prolongs pipe and use for convenient.This body 1 inside has provided a runner 13 from this front end 11 to this rear end 12; This runner 13 has a leading portion 131 and a back segment 132; Wherein the external diameter of this leading portion 131 is greater than the external diameter of this back segment 132; And be provided with a normally close valve 2 in the leading portion 131 of this runner 13; Seal the interface of the back segment 132 of this runner 13 with normality property ground toward leading portions 131; Wherein this normally close valve 2 includes steel ball 21 and the spring 22 of an external diameter greater than these runner 13 back segments 132, and is located in regular turn in the leading portion 131 of this runner 13, makes the elastic force normality property ground of this this spring 22 of steel ball 21 mats seal the interface of the back segment 132 of this runner 13 toward leading portions 131.
Again the lateral margin of this body 1 be provided with one be communicated to these runner 13 back segments 132 through hole 14; Be provided with an outlet valve 3 in this through hole 14; This outlet valve 3 is for normally off but can open through control; Wherein this outlet valve 3 has the passages 31 of a connection external world and these runner 13 back segments 132, and in this passage 31, is provided with a pressing member 32 and a spring 33, and there is a flange on these pressing member 32 tops; And the bottom be provided with one can seal this passage 31 stop block 34; These stop block 34 peripheries are equipped with a seal ring 35 again, and are provided with the fixed block 36 of this passage 31 of sealing in these pressing member 32 periphery rings, and this passage 31 is provided with one and is communicated to extraneous vent 37 in these fixed block 36 belows; This spring 33 is placed in flange and this fixed block 36 that these pressing member 32 peripheries and two ends are resisted against this pressing member 32 respectively again; And receive this passage 31 of effect and normality property ground sealing of this spring 33, and when pushing this pressing member 32, this stop block 34 is driven and can make the back segment 132 of this runner 13 to be communicated to the external world through this passage 31 with this vent 37 downwards by this pressing member 32.
The utility model embodiment 1 who is made up of above member is when reality is used, and is as shown in Figure 2, for first of the utility model makes use-case; The rear end 12 of present embodiment 1 is bolted in the outlet end 41 of a pneumatic grease gun 4,, has been full of the butter 6 that coats a little air 5 in the runner 42 of grease gun 4 at the use initial stage; And in use for some time; Because the compressibility different (butter is incompressible, but air can be compressed) of butter 6 and air 5, so when the purt bar 43 of grease gun 4 receives driving and the shift reciprocately of pressurized gas; Incompressible butter 6 is outwards released gradually; But can compressed air 5 be to accumulate because of variable volumeization to stay in the runner 42, then form state as shown in Figure 3, when the air in the whole runner 42 5 too much the time; Purt bar 43 is drawn back and still can't be formed pressure enough in the runner 42 and fall, and causes being arranged in butter 6B in the grease bucket of grease gun 4 and can't get into runner and can't continue and use.
At this moment, as shown in Figure 4, press the pressing member 32 of this outlet valve 3; This stop block 34 that can drive these outlet valve 3 passages 31 of sealing so that runner 42 can be communicated to the external world through this outlet valve 3, carries out one second shift reciprocately for several times again to bottom offset and conducting by purt bar 43 receives drive of high-pressure gas; Because of the speed of purt bar 43 reciprocating actions very fast; So the probability that purt bar 43 comes across its position, stroke end (as shown in Figure 5) can be considered 50%, and purt bar 43 will be released the pressing member 32 that stops to push this outlet valve 3 as shown in Figure 6 again to the air 5 in the runner 42 when advancing outward through this outlet valve 3; Make this spring of these stop block 34 mats of these pressing member 32 interlocks 33 effect returning positions and seal the passage 31 of this outlet valve 3; Make the runner 42 of grease gun 4 form confined space once again, thus, as shown in Figure 7; When purt bar 43 again backward during displacement; Can form pressure enough in the runner 42 and fall, but and make by this in the grease bucket butter 6B again the mat pressure difference get into runner 42, and can continue to use grease gun 4.
Can know by above explanation; The venting gas appliance of the utility model is installed in the opening end 41 of pneumatic grease gun 4; And in the border that this outlet valve 3 is opened, utilize purt bar 43 forward displacement the air in the runner 42 are released forward, and discharge via this outlet valve 3; Again in purt bar 43 draw back before close this outlet valve 3 and make runner 42 form confined space once again, can successfully form pressure enough in the runner 42 and fall and make grease gun 4 normal operations.Though be not preceding this outlet valve 3 (about 50% probalility of success) of just closing that to retreat at purt bar 43; But can only looking the determining positions of air accumulation passively, venting gas appliance commonly used can bring into play function; The utility model can let this outlet valve 3 of user's ACTIVE CONTROL; And the half the probalility of success of having an appointment is discharged the air 5 in grease gun 4 runners 42, and its degassing function is a much progress in fact.
Person and for example shown in Figure 8 second makes use-case for the utility model embodiment's 1, and it is installed in the outlet end 71 of a manual grease gun 7 for the utility model, its usage operation as above-mentioned first make use-case explanation; But make in the use-case at this; The user can directly manually control the advance and retreat of purt bar 72, so after closing this outlet valve 3, manually purt bar 72 is drawn back, can make grease gun 7 normal operations again; In other words, its probalility of success is 100%.
And Fig. 9 is the embodiment 2 that the utility model disclosed; The difference of itself and the foregoing description 1 is; Present embodiment 1 captures this said normally close valve 2B and two members of outlet valve 3B from embodiment; And this two member directly is installed on the runner 81 that the confession butter flows in the grease gun 8, wherein this outlet valve 3B is located on the grease gun 8 and is connected to runner 81, and this outlet valve 3B is normally off but can opens through control; And when this outlet valve 3B opened, the runner 81 of grease gun 8 can be communicated to the external world through this outlet valve 3B; And this normally close valve 2B is located at the outlet end of runner 81, and this normally close valve 2B is the normality closed condition, in order to do the outlet 82 that supplies normality property ground closed flow 81.By the assembling of above-mentioned member, and utilization is same as aforesaid action principle, and can reach the effect of effective exhaust from grease gun 8 runners 81 in.
The above embodiment's announcement is not in order to restriction the utility model in order to explanation the utility model, so the displacement of the change of numerical value or equivalence element must be subordinate to the category of the utility model such as.
Claims (10)
1. venting gas appliance that is applied to grease gun is characterized in that it comprises:
One body, this body have a front end and a rear end, and this rear end is arranged in the outlet end of grease gun; Said body interior has provided a runner from said front end to said rear end; This runner has a leading portion and a back segment, and the external diameter of wherein said leading portion is greater than the external diameter of said back segment, and is provided with a normally close valve in the leading portion of said runner; With the back segment of this runner of normality property ground sealing interface toward leading portion, and the lateral margin of said body be provided with one be communicated to this runner back segment through hole;
One outlet valve is located in the said through hole, and this outlet valve is normally off but can opens through control, and when this exhaust valve opening, the back segment of said runner can be communicated to the external world through this outlet valve.
2. the venting gas appliance that is applied to grease gun according to claim 1; It is characterized in that: said normally close valve includes block piece and the elastic component of an external diameter greater than said runner back segment; And be located in regular turn in the leading portion of said runner, make the elastic force normality property ground of this this elastic component of block piece mat seal the interface of the back segment of said runner toward leading portion.
3. the venting gas appliance that is applied to grease gun according to claim 1; It is characterized in that: said outlet valve has one and is communicated with passage extraneous and said runner back segment; And in this passage, be provided with a pressing member and an elastic component, wherein this pressing member bottom is provided with one and can seals the stop block of said passage, and receives the said passage of effect and normality property ground sealing of this elastic component; When pushing this pressing member, said stop block is driven and the back segment of said passage of conducting and said runner by this pressing member.
4. the venting gas appliance that is applied to grease gun according to claim 1 is characterized in that: the front end of said body can connect to establish and prolong pipe.
5. the venting gas appliance that is applied to grease gun according to claim 3 is characterized in that: the periphery at said stop block more is equipped with a seal ring.
6. the venting gas appliance that is applied to grease gun according to claim 3; It is characterized in that: the fixed block that is provided with this passage of sealing along the periphery ring of said pressing member; Said elastic component is located on this fixed block; Be communicated to the external world and said passage is provided with a vent below this fixed block, when pushing said pressing member and making the back segment conducting of said passage and said runner, but the back segment mat passage of runner and said vent are communicated to the external world.
7. venting gas appliance that is applied to grease gun; It is characterized in that: on the inner runner that supplies butter to flow of grease gun, be provided with an outlet valve and a normally close valve in regular turn towards the grease gun Way out; Wherein this outlet valve is located on the grease gun and is connected to runner; This outlet valve is normally off but can opens through control that when this exhaust valve opening, the runner of grease gun can be communicated to the external world through this outlet valve; Said normally close valve is located at the outlet end of runner, and this normally close valve is the normality closed condition, the outlet of normality property ground closed flow.
8. the venting gas appliance that is applied to grease gun according to claim 7; It is characterized in that: said normally close valve includes block piece and the elastic component of an external diameter greater than the grease gun runner; And be located at the outlet end of runner in regular turn, make the outlet of the said runner of effect normality property ground sealing of this this elastic component of block piece mat.
9. the venting gas appliance that is applied to grease gun according to claim 7; It is characterized in that: said outlet valve has one and is communicated with passage extraneous and the grease gun runner; And in this passage, be provided with a pressing member and an elastic component, wherein this pressing member bottom is provided with one and can seals the stop block of this passage, and receives this passage of effect and normality property ground sealing of this elastic component; When pushing this pressing member, said stop block is driven and the runner of this passage of conducting and grease gun by this pressing member.
10. the venting gas appliance that is applied to grease gun according to claim 9 is characterized in that: the periphery at said stop block more is equipped with a seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201825662U CN202100921U (en) | 2011-06-01 | 2011-06-01 | Exhaust device applied to grease gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201825662U CN202100921U (en) | 2011-06-01 | 2011-06-01 | Exhaust device applied to grease gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100921U true CN202100921U (en) | 2012-01-04 |
Family
ID=45386930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201825662U Expired - Lifetime CN202100921U (en) | 2011-06-01 | 2011-06-01 | Exhaust device applied to grease gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100921U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104305874A (en) * | 2014-10-09 | 2015-01-28 | 绍兴上虞舒达电器科技有限公司 | Pressure protection mechanism for soda machine and soda machine |
| CN105586669A (en) * | 2016-03-09 | 2016-05-18 | 苏州华策纺织科技有限公司 | Airflow spinning device |
-
2011
- 2011-06-01 CN CN2011201825662U patent/CN202100921U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104305874A (en) * | 2014-10-09 | 2015-01-28 | 绍兴上虞舒达电器科技有限公司 | Pressure protection mechanism for soda machine and soda machine |
| CN105586669A (en) * | 2016-03-09 | 2016-05-18 | 苏州华策纺织科技有限公司 | Airflow spinning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
|
| CX01 | Expiry of patent term |