CN210830852U

CN210830852U - Fire bed blowtorch connects

Info

Publication number: CN210830852U
Application number: CN201920866647.0U
Authority: CN
Inventors: 李聃; 罗专文
Original assignee: Wuhan Yuanjing Technology Co ltd
Current assignee: Wuhan Yuanjing Technology Co ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-06-23
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a fire bed blowtorch joint, which comprises a joint body, a front shell, a gasket and a rear shell which are coaxially arranged, wherein the joint body comprises a base part and a pipe part, and the base part is connected with one end of the pipe part; the inner wall of the front shell defines a second accommodating cavity, the joint body can partially penetrate through the second accommodating cavity, and meanwhile, the first end of the base abuts against the first end of the front shell; the gasket is arranged at the second end of the base; the inner wall of the rear shell defines a third containing cavity for containing the glass lamp tube, the first end of the rear shell is in threaded connection with the second end of the front shell, and meanwhile the second end of the rear shell can be clamped with the glass lamp tube. The joint body is made of stainless steel, has the effects of high-temperature oxidation resistance and corrosion resistance, and can ensure that the joint body of the equipment cannot fall off in operation by adopting a gasket for sealing.

Description

Fire bed blowtorch connects

Technical Field

The utility model relates to a blowtorch technical field, concretely relates to fire bed blowtorch connects.

Background

Fig. 1 is a schematic diagram of a prior art fire bed torch fitting mated with a glass tube, which includes 201 a glass tube, 202 a rear collar, 203 a front collar, 204 a fitting and 205 a nut. In the existing connection method of the glass tube of the small fire bed blowtorch: firstly, the glass lamp tube 1 sequentially penetrates through the nut 5, the collar 2 and the front collar 3 until the glass lamp tube 1 reaches the bottom of the connector 4, then the nut is screwed by hand, the nut is marked at the position of 6 o 'clock after the depth is marked on the glass lamp tube by using a color pen, and then the nut is fastened by a wrench for one quarter of a circle to stop at the position of 9 o' clock after the connector is fixed.

However, the existing clamping sleeve for connecting the glass blowtorch is a plastic product, and the joint locking principle is to insert the glass lamp tube into the clamping sleeve, and lock the glass lamp tube by utilizing a clamping sleeve nut to abut against the clamping sleeve, so that the glass lamp tube and the clamping sleeve form sealing.

Because the surface of the glass lamp tube is very smooth and the friction coefficient is low, the equipment is easy to generate high temperature and generate opposite acting force during working. The plastic material is easy to age in long-term use, is easy to decompose at high temperature, and has poor sealing effect, so that the plastic material can fall off in the operation of equipment to easily cause safety accidents.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fire bed blowtorch connects to solve the above-mentioned problem of ageing, easily dropping off easily.

A fire bed torch joint comprising a coaxially arranged joint body, a front housing, a gasket and a rear housing, wherein:

the joint body is of a pipe structure penetrating along the length direction and comprises a base part and a pipe part, the base part is connected to one end of the pipe part, and the joint body is made of stainless steel;

the front shell is of a pipe structure penetrating along the length direction, a second accommodating cavity is defined by the inner wall of the front shell, the joint body can partially penetrate through the second accommodating cavity, and meanwhile, the first end of the base abuts against the first end of the front shell;

the gasket is arranged at the second end of the base;

the rear shell is a tube structure penetrating along the length direction, a third accommodating cavity used for accommodating the glass lamp tube is limited on the inner wall of the rear shell, the first end of the rear shell is in threaded connection with the second end of the front shell, and meanwhile the second end of the rear shell can be clamped with the glass lamp tube.

The utility model has the advantages that: the joint body is made of stainless steel, has the effects of high-temperature oxidation resistance and corrosion resistance, and can ensure that the joint body of the equipment cannot fall off in operation by adopting a gasket for sealing.

Drawings

FIG. 1 is a schematic diagram of a prior art fire bed torch;

fig. 2 is a schematic structural diagram of an embodiment of a burner connector of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

Referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of a burner connector according to the present invention. The fire bed blowtorch that this embodiment provided connects 100 includes coaxial arrangement's joint body 1, procapsid 2 and back casing 3, the joint body is made for the stainless steel, and 1 covers of joint body establishes the one end at

procapsid

2, and 3 covers of back casing establish the other end at procapsid 2, and back casing is used for fixed glass fluorescent tube 5, and the installation is accomplished when the three cup joints together.

Connect body 1 can wear to establish and the butt is in the first end of procapsid 2 from the second end of procapsid 2, and back casing 3 is connected at the second end of procapsid 2, and the inner wall of back casing 3 can be with 5 joints of glass fluorescent tube, and the first end that connects body 1 is equipped with gasket 4, and glass fluorescent tube 5 can with 4 elasticity butts of gasket.

In this embodiment, the right-hand member cover that connects body 1 establishes the left end at procapsid 2, and glass lamp 5 is connected the right-hand member of procapsid 2 by 3 joints of back casing after casing 3 afterwards, and the left end of glass lamp 5 this moment can with connect 4 elasticity butts of gasket that body 1 right-hand member set up.

With continued reference to fig. 2, the fitting body 1 is a tubular structure that extends through the length direction and includes a base portion 11 and a tube portion 12, the base portion 11 being connected to one end of the tube portion 12, and the inner walls of the base portion 11 and the tube portion 12 together defining a first receiving chamber 13.

Preferably, the base 11 and the tube 12 are integrally formed.

Further, the inner diameter of the accommodation chamber 13 is kept uniform all the time.

The outer periphery of the base portion 11 forms an annular step 110, and the outer diameter of the step 110 on the side close to the pipe portion 12 is smaller than that on the side away from the pipe portion 12.

The base 11 has an end face 11A, the end face 11A being an annular flat face, the gasket 4 being provided on the end face 11A, the gasket 4 also being annular, and forming a hole 40 in the middle coaxial with the housing chamber 13.

The surface area of the spacer 4 is the same as the surface area of the end face 11A, i.e. the spacer 4 just covers the end face 11A.

Preferably, the end face 11A forms a receiving groove in which the gasket 4 is at least partially disposed in the thickness direction. To stabilize the gasket 4 on the end face 11A.

Further, the gasket 4 is preferably an FKM material. The material is resistant to high temperature (-40-250 ℃), and resistant to acid and alkali, so that the sealing property and the service life are ensured.

The front shell 2 is a pipe structure penetrating along the length direction, the inner wall of the front shell 2 defines a second accommodating cavity 2A, a first end of the front shell 2 extends inwards along the radial direction to form a butting table 21, the base 11 can extend into the accommodating cavity 2A along the axial direction and butts against the inner wall of the butting table 21, and the inner wall of the second end of the front shell 2 is provided with first threads 20.

The step 110 of the base 11 may be fitted with the abutment table 21 while the outer wall of the base 11 is attached to the inner wall of the front case 2.

Preferably, the step 110 may be in sealing engagement with the abutment table 21, thereby increasing the sealability of the joint body 1 and the front housing 2.

The rear housing 3 is a tube structure penetrating along the length direction, the inner wall of the rear housing defines a third accommodating cavity 3A, the third accommodating cavity 3A is used for accommodating a part of the glass lamp tube 5, the first end (such as the left end in fig. 1) of the rear housing 3 is screwed on the inner wall of the second end of the front housing 2, and the second end can be clamped in the groove 51 of the glass lamp tube 5. Namely, after the second end of the rear shell 3 is clamped on the glass lamp tube 5, the first end of the rear shell 3 is connected with the second end of the front shell 2 in a threaded manner, and the butt joint of the rear shell 3 and the front shell 2 is completed.

The first end outer wall of the rear case 3 is formed with second threads 30 threadably engaged with the first threads 20, i.e., after aligning the rear case 3 with the front case 2, the second threads 30 may be threadably engaged with the first threads 20, and the rear case 3 or the front case 2 may be engaged by rotating them.

The inner wall of the second end of the rear housing 3 extends inward along the radial direction to form a rib 31, and the inner diameter of the rib 31-removed part of the rear housing 3 is larger than the outer diameter of the glass lamp tube, so that when the rib 31 is clamped in the groove 51 of the glass lamp tube 5, the glass lamp tube is not contacted with the rib 31-removed part of the rear housing 3.

Further, the rear shell 3 is a petal type structure, and all petal type structures are matched end to end along the circumferential direction to form the complete rear shell 3.

Preferably, the rear housing 3 is a two-lobe structure, and the two-lobe structure is symmetrical about the radial direction, i.e. the rear housing 3 includes two rear housing single bodies with a half circumference. Of course, the rear case 3 is not limited to the three-lobe structure and the four-lobe structure, and for example, when the rear case 3 is the four-lobe structure, it may be 90 ° (degree of rotation)

Furthermore, the two-piece structure can be connected in an edge insertion and magnetic attraction manner to form a complete rear shell 3.

It should be noted that the lengths of the first thread 20 and the second thread 30 may be set as follows: when the second screw thread 30 is fully inside the first screw thread 20, the glass lamp tube just touches the gasket 4.

The utility model discloses a fire bed blowtorch connect's application method do: s1, connecting the separated rear shells 3 end to end along the circumferential direction and clamping the glass lamp tubes 5; s2, inserting the joint body 1 from the second end of the front housing 2 and abutting the joint body against the abutment of the front housing 2; s3 threadedly couples rear case 3 with front case 2 with second threads 30 fully coupled to the bottoms of first threads 20.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a fire bed blowtorch connects which characterized in that, includes coaxial arrangement's joint body, procapsid, gasket and back casing, wherein:

the joint body is of a pipe structure penetrating along the length direction, is made of stainless steel and comprises a base part and a pipe part, and the base part is connected to one end of the pipe part;

the gasket is arranged at the second end of the base;

2. The fire bed torch fitting of claim 1 wherein the outer periphery of the base portion forms an annular step having an outer diameter on a side closer to the tube portion that is smaller than an outer diameter on a side farther from the tube portion.

3. The fire bed torch joint of claim 1 wherein said base has an end face, said end face being an annular flat surface, said gasket being disposed on said end face.

4. The fire bed torch joint of claim 3 wherein said end surfaces define a receiving groove, said gasket being at least partially disposed in said receiving groove in a thickness direction.

5. The fire bed torch joint of claim 1 wherein said gasket is an FKM material.

6. The fire bed torch fitting of claim 1 wherein the first end of the front housing extends radially inward to form an abutment against which the base is abuttable.

7. The fire bed torch fitting of claim 6 wherein the inner wall of the second end of the front housing is provided with first threads and the outer wall of the first end of the rear housing is formed with second threads threadably engaged in the first threads.

8. The fire bed torch joint of claim 7 wherein the inner wall of the second end of the rear housing extends radially inwardly to form a rib, and wherein the glass light tube has a groove and the rib is snapped into the groove.

9. The fire bed torch joint of claim 8 wherein the rear housing is a lobed structure, all lobed structures being circumferentially mated end to form the rear housing.