CN201027584Y - Carburetor and sealing fixture device used for the same - Google Patents
Carburetor and sealing fixture device used for the same Download PDFInfo
- Publication number
- CN201027584Y CN201027584Y CNU2007201491222U CN200720149122U CN201027584Y CN 201027584 Y CN201027584 Y CN 201027584Y CN U2007201491222 U CNU2007201491222 U CN U2007201491222U CN 200720149122 U CN200720149122 U CN 200720149122U CN 201027584 Y CN201027584 Y CN 201027584Y
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- China
- Prior art keywords
- ingredients
- proportions
- screw
- carburetor
- stuffing box
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model discloses a carburetor and loose proof sealing fastening device for carburetor, which comprises a carburetor body, a rotating speed adjustment bolt, a mixing ratio sealing sheath, a mixing ratio sheath tube and an adjusting spring. When the rotating speed adjustment bolt is screwed into the body, a nylon sealing sheath is pressed into the hole of the body and a mixing ratio copper sheath is covered outside. When the rotating speed adjustment bolt is screwed into the body, the nylon sealing sheath produces self attacking screw with loose proof, fixing and sealing functions. The adjusting spring plays a better role of sealing and loose proof.
Description
Technical field
The utility model relates to a kind of securing means, relates in particular to a kind of Carburetor that is installed on the locking sealing fastening device on the Carburetor and this securing means is installed.
Background technique
The Carburetor of use on the chain saw motor, owing to need during the engine operation of coupling on high speed 11000-12000r/min, to turn round for a long time, the rhythm of engine is very big during work, it adjusts screw and body screw-thread fit part, locking adjustment spring can get loose because of long-time vibration, thereby influences the usability of motor.
Figure 1A and Figure 1B are respectively the plan view of Carburetor (adjust screw do not exist) of prior art and E-E thereof to sectional view.Shown in Figure 1B, the diaphragm carburetor asphalt channel is comparatively compact, in the body there is by adjusting the screw mounting hole road oil circuit, and enters by two screw head tapering adjustment control oil mass and to shout pipe, if this passage blow-by, oil will spill by Screw Thread Fit Clearance.Influence the meticulous adjustment function of two screws, thereby whole Carburetor performance is caused very big influence.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of Carburetor that is used for the locking sealing fastening device of Carburetor and this securing means is installed, the adjustment screw that can prevent Carburetor gets loose because of vibration, and can avoid asphalt channel to spill by the thread pitch of adjusting screw.
To achieve these goals, the utility model provides a kind of Carburetor locking sealing fastening device.This device comprises
One Carburetor body duct, its inboard has screw thread;
One rotating speed is adjusted screw, comprises adjusting screw head and screwed stepped shaft screw rod, and wherein screw rod comprises the first ladder screw rod, the second ladder screw rod and the 3rd ladder screw rod;
One proportions of ingredients stuffing box gland is pressed into described Carburetor body duct;
One proportions of ingredients sleeve is enclosed within described rotating speed and transfers on the screw and with the rear end of described proportions of ingredients stuffing box gland and be connected;
One adjusts spring, is arranged on the described stepped shaft screw rod between described adjustment screw head and the described proportions of ingredients sleeve.
The material of this proportions of ingredients stuffing box gland is a nylon.
The material of this proportions of ingredients sleeve is a copper.
Described proportions of ingredients stuffing box gland comprises a proportions of ingredients stuffing box gland cylindrical shell, and it is adjusted the screw first ladder screw rod with rotating speed and cooperates; One flange be positioned at an end of this proportions of ingredients stuffing box gland cylindrical shell, and the internal diameter of this flange is identical with the internal diameter of this proportions of ingredients stuffing box gland cylindrical shell, and the external diameter of this flange is less than the external diameter of this proportions of ingredients stuffing box gland cylindrical shell; Reach a trepanning, be positioned at the other end inboard of this proportions of ingredients stuffing box gland cylindrical shell, and trepanning cooperates with the second ladder screw rod that this rotating speed is adjusted screw.
Described proportions of ingredients sleeve comprises a proportions of ingredients sleeve cylindrical shell, and its outer side surface has screw thread, and with being threaded of inboard, described Carburetor body duct, its inner side surface has screw thread, adjusts being threaded of screw with rotating speed; One recessed edge is positioned at an end of described proportions of ingredients sleeve cylindrical shell, be connected with the flange of described proportions of ingredients stuffing box gland, and the external diameter of this recessed edge is identical with the external diameter of described proportions of ingredients sleeve cylindrical shell, and the internal diameter of this recessed edge is greater than the internal diameter of described proportions of ingredients sleeve.
To achieve these goals, the utility model also provides a kind of fastening Carburetor of described locking sealing that has, and the locking sealing fastening device of this Carburetor comprises
Carburetor body duct;
Rotating speed is adjusted screw, comprises adjusting screw head and screwed stepped shaft screw rod;
The proportions of ingredients stuffing box gland is pressed into described Carburetor body duct;
The proportions of ingredients sleeve is enclosed within described rotating speed and transfers on the screw and with the rear end of described proportions of ingredients stuffing box gland and be connected;
Adjust spring, be arranged on the described stepped shaft screw rod between described adjustment screw head and the described proportions of ingredients sleeve.
In the utility model, when rotating speed adjustment screw cooperates with the body screw-in, adopt the sealed nylon cover to be pressed into and put copper sheathing in the body apertures road more in the back, producing Thread Forming TF at the fashionable sealed nylon cover of two screw threads plays locking and effect fit sealing, adjusting spring can seal and locking effect in fine solution, thereby improved the fastening performance of locking sealing of Carburetor, and then improved the overall performance of Carburetor.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Figure 1A and Figure 1B are respectively the plan view of Carburetor (adjust screw do not exist) of prior art and E-E thereof to sectional view;
Fig. 2 is the decomposing schematic representation of Carburetor of the present utility model;
Fig. 3 is the schematic representation after the assembling of Carburetor of the present utility model finishes;
Fig. 4 is that low speed of the present utility model is adjusted the screw plane structure chart;
Fig. 5 is that high speed of the present utility model is adjusted the screw plane structure chart;
Fig. 6 is a proportions of ingredients stuffing box gland three-dimensional structure diagram of the present utility model;
Fig. 7 is the axial sectional view of proportions of ingredients stuffing box gland of the present utility model;
Fig. 8 is a proportions of ingredients copper sheathing three-dimensional structure diagram of the present utility model;
Fig. 9 is the axial sectional view of proportions of ingredients copper sheathing of the present utility model.
Figure 10 A and Figure 10 B are respectively the plan view of Carburetor of the present utility model (adjust screw exist) and D-D thereof to sectional view;
Wherein, reference character:
10: the Carburetor body
101: Carburetor body duct
11: low speed is adjusted screw
111: screw head
1111: circular groove
1112: straight groove
112: screw thread
113: the first ladder screw rods
114: the second ladder screw rods
115: the three ladder screw rods
12: adjust screw at a high speed
121: screw head
1211: circular groove
1212: straight groove
122: screw thread
123: the first ladder screw rods
124: the second ladder screw rods
125: the three ladder screw rods
13: the proportions of ingredients stuffing box gland
131: flange
132: proportions of ingredients stuffing box gland cylindrical shell
133: trepanning
14: the proportions of ingredients copper sheathing
141: recessed edge
142: the copper sheathing cylindrical shell
143: circular groove
144: screw thread
15: adjust spring
Embodiment
Fig. 2 is the decomposing schematic representation of Carburetor of the present utility model; Fig. 3 is the schematic representation after the assembling of Carburetor of the present utility model finishes.As shown in Figure 2, Carburetor of the present utility model comprises that body 10 and low speed are adjusted screw 11, high speed is adjusted screw 12, sealed nylon cover 13, proportions of ingredients copper sheathing 14 and adjusted spring 15.
Figure 4 shows that low speed adjustment screw 11 of the present utility model, have a circular groove 1111 and straight groove 1112 on the screw head 111, has screw thread 112 on the screw rod, screw rod is stepped, comprise the first ladder screw rod 113, the second ladder screw rod, 114, the three ladder screw rods 115, and the radius of first, second, third ladder screw rod reduces successively.
Figure 5 shows that high speed adjustment screw 12 of the present utility model, have a circular groove 1211 and straight groove 1212 on the screw head 121, has screw thread 122 on the screw rod, screw rod is stepped, comprise the first ladder screw rod 113, the second ladder screw rod, 114, the three ladder screw rods 115, and the radius of first, second, third ladder screw rod reduces successively.
Figure 6 shows that sealed nylon of the present utility model overlaps 13 three-dimensional structure diagrams, Fig. 7 is the axial sectional view of proportions of ingredients stuffing box gland 13.As shown in Figure 6, sealed nylon cover 13 comprises flange 131, sealed nylon sleeve body 132 and trepanning 133.Sealed nylon sleeve body 132 cooperates with the first ladder screw rod that high, low speed is adjusted screw.Flange 131 is positioned at an end of sealed nylon sleeve body 132, compares with sealed nylon sleeve body 132, and its internal diameter is constant, and external diameter reduces.Trepanning 133 is positioned at the other end inboard of sealed nylon sleeve body 132, and the second ladder screw rod 114,124 of adjusting screw with high, low speed cooperates.
Fig. 8 is proportions of ingredients copper sheathing 14 three-dimensional structure diagrams of the present utility model; Fig. 9 is the axial sectional view of proportions of ingredients copper sheathing 14.As shown in Figure 8, proportions of ingredients copper sheathing 14 comprises recessed edge 141 and proportions of ingredients copper sheathing cylindrical shell 142.The outer side surface of proportions of ingredients copper sheathing cylindrical shell 142 has circular groove 143, and prevents that copper sheathing from withdrawing from behind the 101 hole close-fittings of Carburetor body duct, and the inner side surface of proportions of ingredients copper sheathing cylindrical shell 142 has screw thread 144, is connected with the screw thread (122,112) of high and low adjustment screw.Recessed edge 141 is positioned at an end of proportions of ingredients copper sheathing cylindrical shell 142, and its concave edge 141 is compared with proportions of ingredients copper sheathing cylindrical shell 142, and the external diameter of recessed edge 141 is constant, and internal diameter increases, and recessed edge 141 is connected with first flange 131 of this sealed nylon cover.
Figure 10 A and Figure 10 B are respectively the Carburetor of the present utility model plan view and the D-D sectional view thereof of (adjusting screw exists).Shown in Figure 10 B (figure does not see), low speed adjusts screw 11, when adjusting screw 12 and cooperate at a high speed with Carburetor body 10 screw-ins, sealed nylon cover 13 is pressed in the duct 101 of body 10, adjust screw 11, adjust on the screw rod of screw 12 and put proportions of ingredients copper sheathing 14 at a high speed at low speed again, and the recessed edge 141 of proportions of ingredients copper sheathing 14 and sealed nylon overlap 13 flange 131 and be connected.Fashionable in two screw threads, sealed nylon cover 13 will produce Thread Forming TF and play locking and effect fit sealing, adjusts spring 15 and is arranged on the high, low speed adjustment screw screw rod of adjusting between screw and the proportions of ingredients copper sheathing 14.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. a locking sealing fastening device that is used for Carburetor is characterized in that, comprising:
One Carburetor body duct, its inboard has screw thread;
One rotating speed is adjusted screw, comprises adjusting screw head and screwed stepped shaft screw rod, and wherein screw rod comprises the first ladder screw rod, the second ladder screw rod and the 3rd ladder screw rod;
One proportions of ingredients stuffing box gland is pressed into described Carburetor body duct;
One proportions of ingredients sleeve is enclosed within described rotating speed and transfers on the screw and with the rear end of described proportions of ingredients stuffing box gland and be connected;
One adjusts spring, is arranged on the described stepped shaft screw rod between described adjustment screw head and the described proportions of ingredients sleeve.
2. the locking sealing fastening device that is used for Carburetor according to claim 1 is characterized in that this proportions of ingredients stuffing box gland is a nylon spare.
3. the locking sealing fastening device that is used for Carburetor according to claim 1 is characterized in that this proportions of ingredients sleeve is a copper spare.
4. the locking sealing fastening device that is used for Carburetor according to claim 1 is characterized in that, described proportions of ingredients stuffing box gland comprises a proportions of ingredients stuffing box gland cylindrical shell, and it is adjusted the screw first ladder screw rod with rotating speed and cooperates; One flange be positioned at an end of this proportions of ingredients stuffing box gland cylindrical shell, and the internal diameter of this flange is identical with the internal diameter of this proportions of ingredients stuffing box gland cylindrical shell, and the external diameter of this flange is less than the external diameter of this proportions of ingredients stuffing box gland cylindrical shell; Reach a trepanning, be positioned at the other end inboard of this proportions of ingredients stuffing box gland cylindrical shell, and trepanning cooperates with the second ladder screw rod that this rotating speed is adjusted screw.
5. the locking sealing fastening device that is used for Carburetor according to claim 1, it is characterized in that, described proportions of ingredients sleeve comprises a proportions of ingredients sleeve cylindrical shell, its outer side surface has screw thread, with being threaded of described inboard, Carburetor body duct, its inner side surface has screw thread, adjusts being threaded of screw with rotating speed; One recessed edge is positioned at an end of described proportions of ingredients sleeve cylindrical shell, be connected with the flange of described proportions of ingredients stuffing box gland, and the external diameter of this recessed edge is identical with the external diameter of described proportions of ingredients sleeve cylindrical shell, and the internal diameter of this recessed edge is greater than the internal diameter of described proportions of ingredients sleeve.
6. the Carburetor that locking sealing fastening device is installed comprises a locking sealing fastening device, it is characterized in that, this locking sealing fastening device comprises
Carburetor body duct;
Rotating speed is adjusted screw, comprises adjusting screw head and screwed stepped shaft screw rod;
The proportions of ingredients stuffing box gland is pressed into described Carburetor body duct;
The proportions of ingredients sleeve is enclosed within described rotating speed and transfers on the screw and with the rear end of described proportions of ingredients stuffing box gland and be connected;
Adjust spring, be arranged on the described stepped shaft screw rod between described adjustment screw head and the described proportions of ingredients sleeve.
7. the Carburetor that locking sealing fastening device is installed according to claim 6 is characterized in that, this proportions of ingredients stuffing box gland is a nylon spare.
8. the Carburetor that locking sealing fastening device is installed according to claim 6 is characterized in that, this proportions of ingredients sleeve is a copper spare.
9. the Carburetor that locking sealing fastening device is installed according to claim 6 is characterized in that, described proportions of ingredients stuffing box gland comprises a proportions of ingredients stuffing box gland cylindrical shell, and it is adjusted the screw first ladder screw rod with rotating speed and cooperates; One flange be positioned at an end of this proportions of ingredients stuffing box gland cylindrical shell, and the internal diameter of this flange is identical with the internal diameter of this proportions of ingredients stuffing box gland cylindrical shell, and the external diameter of this flange is less than the external diameter of this proportions of ingredients stuffing box gland cylindrical shell; Reach a trepanning, be positioned at the other end inboard of this proportions of ingredients stuffing box gland cylindrical shell, and trepanning cooperates with the second ladder screw rod that this rotating speed is adjusted screw.
10. the Carburetor that locking sealing fastening device is installed according to claim 6 is characterized in that,
Described proportions of ingredients sleeve comprises a proportions of ingredients sleeve cylindrical shell, and its outer side surface has screw thread, and with being threaded of inboard, described Carburetor body duct, its inner side surface has screw thread, adjusts being threaded of screw with rotating speed;
One recessed edge is positioned at an end of described proportions of ingredients sleeve cylindrical shell, be connected with the flange of described proportions of ingredients stuffing box gland, and the external diameter of this recessed edge is identical with the external diameter of described proportions of ingredients sleeve cylindrical shell, and the internal diameter of this recessed edge is greater than the internal diameter of described proportions of ingredients sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201491222U CN201027584Y (en) | 2007-05-14 | 2007-05-14 | Carburetor and sealing fixture device used for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201491222U CN201027584Y (en) | 2007-05-14 | 2007-05-14 | Carburetor and sealing fixture device used for the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201027584Y true CN201027584Y (en) | 2008-02-27 |
Family
ID=39131789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201491222U Expired - Lifetime CN201027584Y (en) | 2007-05-14 | 2007-05-14 | Carburetor and sealing fixture device used for the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201027584Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761919A (en) * | 2019-11-28 | 2020-02-07 | 福建省大立通用机电制造有限公司 | Special locking mechanism |
-
2007
- 2007-05-14 CN CNU2007201491222U patent/CN201027584Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761919A (en) * | 2019-11-28 | 2020-02-07 | 福建省大立通用机电制造有限公司 | Special locking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongjian Tool Manufacture Co., Ltd., Yongkang City Assignor: Chen Jianmin Contract fulfillment period: 2008.9.9 to 2017.2.26 Contract record no.: 2008330001820 Denomination of utility model: Carburetor and sealing fixture device used for the same Granted publication date: 20080227 License type: Exclusive license Record date: 20081107 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.9 TO 2017.2.26; CHANGE OF CONTRACT Name of requester: YONGKANG CITY,ZHONGJIAN TOOL MANUFACTURING CO., LT Effective date: 20081107 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Zhongjian Tool Manufacture Co., Ltd., Yongkang City Assignor: Chen Jianmin Contract record no.: 2008330001820 Date of cancellation: 20110714 |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG ZHONGJIAN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN JIANMIN Effective date: 20110830 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 355200 NINGDE, FUJIAN PROVINCE TO: 321300 JINHUA, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110830 Address after: 10 No. 321300 Zhejiang city in Yongkang Province Economic Development Zone South Park Avenue Patentee after: Zhejiang Zhongjian Technology Co., Ltd. Address before: 355200 No. 25, Longchuan Road, Fuding, Fujian Patentee before: Chen Jianmin |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080227 |
|
| CX01 | Expiry of patent term |