CN207409995U - A kind of cable sealing device - Google Patents

Abstract

The utility model discloses a kind of cable sealing devices, its is simple in structure, component is less, the installation and sealed connection of dumbbell shaped sensor can be effectively realized, it is detected so that the detecting head of sensor can be located in the environmental chamber of high temperature and/or high pressure, and the leading-out terminal of sensor then can be connected with other equipment outside above-mentioned environmental chamber and obtain detectable signal.The cable sealing device is easy for installation, and it is high to be tightly connected reliability.

Description

A kind of cable sealing device

Technical field

The utility model is related to a kind of cable sealing device more particularly to a kind of cable for high temperature, hyperbaric environment are close Seal apparatus.

Background technology

In order to be acquired to the relevant factor under hyperbaric environment, it usually needs the probe of sensor is stretched into hyperbaric environment In chamber.Current most sensor, its one end are encapsulated using welding, and the other end can will in order to ensure the stability of sensor Leading-out terminal connects, in this way, be just present with dumbbell structure as shown in Figure 1, i.e. the intermediate cable part ratio of sensor Structure small in ends.Meanwhile one end of sensor, in high-pressure chamber, the other end is then through high-pressure chamber and positioned at high-pressure chamber Outside, in-between cable section is just to need the position being sealed, and the common device for high pressure sealing such as cutting ferrule connects First-class seal member can not use at this time.For such case, it is necessary to develop a set of new cable sealing device.

The content of the invention

The purpose of this utility model is to overcome the problems of the prior art, provide a kind of cable sealing device.

In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of cable sealing device, the cable One end is installed with detecting head and extends downwardly into the environmental chamber of high-pressure bottle, and the other end of the cable is installed with leading-out terminal simultaneously Outside the environmental chamber, the cable sealing device includes：

Matrix, the lower end of described matrix offer for being fixedly attached to the high-pressure bottle in described matrix Along the vertical direction through the matrix through hole of extension, described matrix through hole include the first hole being pierced by for the leading-out terminal, with First hole is connected and is located at the second hole above first hole, and the aperture in second hole is more than first hole, Described matrix forms confined planes in first hole and the second hole joint；

First gasket is circumferentially spliced by multiple first clout bodies, and first gasket has for the electricity The first through hole that cable passes through, first gasket are arranged on the confined planes；

Sealing shroud including that can be axially fixed is plugged in second hole and is pressed on first gasket Body, the defining flange positioned at the set body upper end are covered, has what is be pierced by for the leading-out terminal on the set body Seal sets of holes；

Sealing ring is set in the outside circumference of the cable and in the sealing sets of holes；

Second gasket is circumferentially spliced by multiple second clout bodies, and second gasket has for the electricity The second through hole that cable passes through, second gasket include the installation set being ordinatedly plugged in the sealing sets of holes, positioned at described The press flange of installation set upper end；

Retainer ring is circumferentially spliced by multiple retainer ring bodies, has the passed through for the cable on the retainer ring Three through holes, the retainer ring is in up-small and down-big frustum, and the retainer ring is supported in the press flange；

Clamping nut, the clamping nut have the fourth hole being pierced by for the leading-out terminal, the fourth hole Aperture be more than the retainer ring upper end diameter and less than the retainer ring lower end diameter, the upper end of the retainer ring is plugged in institute It states in fourth hole, the clamping nut is set on the upper end of described matrix and connects with the upper end screw thread of described matrix It connects.

Preferably, the cable sealing device further includes the cooling jacket being set on the outside of described matrix in circumference, described Cooling water cavity is formed between cooling jacket and described matrix, also has what is be connected with the cooling water cavity on the cooling jacket Intake tunnel and exhalant canal.

Further, the sealing ring is O-ring seal, along the length extending direction of described matrix, the cooling water Set is positioned at the lower section of the O-ring seal.

Further, the outside circumference of described matrix has two collar flanges of axially spaced setting, the cooling Water jacket is in hollow tube-shape and is hermetically set on the collar flange described in two, between the collar flange described in two and described The cooling water cavity is formed between the inside peripheral wall of cooling jacket, the outer perimeter wall of matrix.

Further, limit stop ring is also fixedly provided in described matrix, the limit stop ring is located at the cooling jacket Lower section.

Preferably, the defining flange of the sealing shroud is pressed on the upper surface of described matrix, and the limit convex It is tightly connected between edge and the upper surface of described matrix by sealing element.

Preferably, the set body of the sealing shroud is mutually threadedly coupled with second hole.

Preferably, the O-ring seal be compressed between first gasket and the second gasket and with the cable and Sealing shroud is mutually tightly connected.

Preferably, between having between the press flange of second gasket and the defining flange of the sealing shroud It is set away from ground.

Preferably, the lower end of described matrix is threaded on the high-pressure bottle.

Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：This practicality is new The cable sealing device of type, simple in structure, component is less, and the installation and sealing that can effectively realize dumbbell shaped sensor connect It connects so that the detecting head of sensor, which can be located in the environmental chamber of high temperature and/or high pressure, to be detected, and the leading-out terminal of sensor It can then be located at outside above-mentioned environmental chamber and be connected with other equipment and obtain detectable signal.The cable sealing device is easy for installation, close It is high to seal connection reliability.

Description of the drawings

Attached drawing 1 is the structure diagram of sensor in the prior art；

Attached drawing 2 is the overall structure diagram of the cable sealing device of the utility model；

Attached drawing 3 is the schematic cross-sectional view of attached drawing 2；

Attached drawing 4 is the structure diagram of the first clout body；

Attached drawing 5 is the overall structure diagram of sealing shroud；

Attached drawing 6 is the structure diagram of the second clout body；

Attached drawing 7 is the structure diagram of retainer ring body；

Attached drawing 8 is an implement scene schematic diagram of the cable sealing device of the utility model；

Wherein：10th, sensor；10a, cable；10b, detecting head；10c, leading-out terminal；1st, matrix；11st, the first hole；12、 Second hole；13rd, collar flange；14th, confined planes；2nd, the first gasket；20th, the first clout body；21st, the first arc groove；3rd, sealing shroud； 31st, body is covered；32nd, defining flange；33rd, sets of holes are sealed；4th, O-ring seal；5th, the second gasket；50th, the second clout body；51st, pacify Encapsulation；52nd, press flange；53rd, the second arc groove；6th, retainer ring；60th, retainer ring body；61st, the 3rd arc groove；62nd, the conical surface；7th, compress Nut；71st, cap chamber；8th, cooling jacket；81st, cooling water cavity；82nd, intake tunnel；83rd, exhalant canal；9th, limit stop ring；

100th, cable sealing device；200th, high-pressure bottle；201st, kettle cover；202nd, autoclave body.

Specific embodiment

The technical solution of the utility model is further elaborated with specific embodiment below in conjunction with the accompanying drawings.

Shown in Figure 1, sensor 10 includes cable 10a, is fixedly arranged on the detecting head 10b of cable 10a one end, is fixedly arranged on electricity The leading-out terminal 10c of the cable 10a other ends, wherein, detecting head 10b need to be stretched into the high pressure of high-pressure bottle and/or hot environment chamber, Leading-out terminal 10c is then located at outside above-mentioned environmental chamber.

Referring to shown in Fig. 2 to Fig. 7, the cable 10a on a kind of cable sealing device, wherein sensor 10 prolongs in vertical direction It stretches, the upper end sets leading-out terminal 10c, lower end to set detecting head 10b, below for convenience of description, on the basis of the diagram direction To illustrate the structure of each component and installation connection relation in the cable sealing device.

Specifically, referring to shown in Fig. 2 to Fig. 7, which includes：

Matrix 1, the lower end of matrix 1 offer along the vertical direction for being fixedly attached to high-pressure bottle on matrix Through the matrix through hole of extension, which includes the first hole 11 being pierced by for leading-out terminal 10c, is connected with the first hole 11 Lead to and be located at the second hole 12 of 11 top of the first hole, the aperture in second hole 12 is more than the first hole 11, is located at the first hole on matrix 1 11 and 12 joint of the second hole formed confined planes 14；

First gasket 2 is circumferentially spliced by multiple first clout bodies 20, and it is as shown in Figure 4 to use herein First clout body 20 of two equal semicirculars in shape.Offer the first arc groove 21 on two the first clout bodies 20, two first When 20 phase of clout body is spliced above-mentioned two the first arc grooves 21 be correspondingly formed can the first through hole that passes through of current supply cable 10a, should First gasket 2 is ordinatedly arranged in the second hole 12 and on confined planes 14；

Sealing shroud 3, as shown in Fig. 3, Fig. 5, which is made of sealing material, including that can be axially fixed inserts It is located in the second hole 12 and is pressed on set body 31, the defining flange 32 positioned at 31 upper end of set body on the first gasket 2, set There are the sealing sets of holes 33 being pierced by for leading-out terminal 10c on body 31.In the present embodiment, the second hole 12 is arranged to screw thread Hole is connected on the second hole 12 and is pressed on downwards on the first gasket 2 to set 31 thread fitting of body, and defining flange 32 then compresses On the upper surface of matrix 1, and it is tightly connected between the lower face of defining flange 32 and the upper surface of matrix 1 by sealing element；

Sealing ring 4, it is O-ring seal to use herein, is set in the outside circumference of cable 10a and positioned at sealing shroud In hole 33；

Second gasket 5 is circumferentially spliced by multiple second clout bodies 50, and it is such as Fig. 6 to be used in the present embodiment Two shown the second clout bodies 50 offer the second arc groove 53, two the second clout bodies on each second clout body 50 Be correspondingly formed can the second through holes for passing through of current supply cable 10a for above-mentioned two the second arc grooves 53 when 50 phases are spliced.Second pad Piece 5 includes the installation set 51 being ordinatedly plugged in sealing sets of holes 33, the press flange 52 positioned at 51 upper end of installation set；

Retainer ring 6 is circumferentially spliced by multiple retainer ring bodies 60, and it is as shown in Figure 7 two to be used in the present embodiment A retainer ring body 60, offers the 3rd arc groove 61 on each retainer ring body 60, above-mentioned two the during two 60 phases of retainer ring body splicings Three arc grooves 61 are correspondingly formed can the third through-holes that pass through of current supply cable 10a.The retainer ring 6 is in up-small and down-big frustum structure, Its outside circumference is the conical surface 62, and the lower end of retainer ring 6 is supported in the press flange 52 of the second gasket 5；

Clamping nut 7, which, which has, is located at cap chamber 71 on 1 upper end of matrix, the clamping nut 7 it is upper End offers the fourth hole being pierced by for leading-out terminal 10c, and the aperture of the fourth hole is more than 6 upper end diameter of retainer ring and small In 6 lower end diameter of retainer ring, the upper end of retainer ring 6 is plugged in fourth hole.The clamping nut 7 is set in the upper end of matrix 1 Above and with the upper end of matrix it is threadedly coupled.

By constantly rotatably compressing nut 7, it can be made to be pressed down against retainer ring 6, so as to promoting the second gasket downlink 5 and Compress O-ring seal 4 so that O-ring seal 4 be compressed between the first gasket 2 and the second gasket 5 and with cable 10a and close It is mutually tightly connected between big envelope 3.During setting, when O-ring seal 4 is compacted realization sealing, the press flange 52 of the second gasket 5 There should be spacing between the defining flange 32 of sealing shroud 3, to ensure the compression to O-ring seal 4.

Referring to shown in Fig. 2 to Fig. 3, which further includes the cooling jacket being set in 1 outside circumference of matrix 8, cooling water cavity 81 is formed between the cooling jacket 8 and matrix 1, also has what is be connected with cooling water cavity 81 on cooling jacket 8 Intake tunnel 82 and exhalant canal 83.Specifically, two ring-types of the outside circumference of matrix 1 equipped with axially spaced distribution are convex Edge 13, cooling jacket 8 in hollow tube-shape and being hermetically set on two above-mentioned collar flanges 13, two collar flanges 13 it Between and the inside peripheral wall of cooling jacket 8, the outer perimeter wall of matrix 1 between just form cooling water cavity 81.By toward above-mentioned cold But cooling circulating water is constantly passed through in water cavity 81, can cooled down to the corresponding position of matrix 1 so that in the first hole 11 Environment temperature reduces.During setting, cooling jacket 8 is arranged at the lower section of O-ring seal 4, so may be such that the work of O-ring seal 4 Make environment temperature to keep at a lower temperature, so as to extend its service life.

The one of cable sealing device 100 shown in Figure 8 for the utility model uses embodiment, wherein, high-pressure bottle 200 to use be autoclave, and including autoclave body 202 and kettle cover 201, it is high that closed high temperature is formed between autoclave body 202 and kettle cover 201 Press environmental chamber.During installation, it can carry out as follows：In the state of autoclave body 202 and the opposite opening of kettle cover 201, will first it set The lower end for having the matrix 1 of cooling jacket 8 is threaded on kettle cover 201, and then matrix that cable 10a is penetrated to matrix 1 leads to Kong Zhong, and leading-out terminal 10c is kept then the first gasket 2 and installation set to be installed successively in state upper and that detecting head 10b is under 3, then O-ring seal 4 is inserted, the second gasket 5, retainer ring 6 are then inserted, clamping nut 7 is then put on and is threaded in it On the upper end of matrix 1 so that sealing is realized at O-ring seal 4.During experiment, detecting head 10b is located at the environment of autoclave 200 Opposing seal is kept in chamber and with outside, leading-out terminal 10c is then connected with external device obtains detecting head 10b detections The information arrived.

To sum up, the structure of the cable sealing device 100 is simple, easy for installation, can fast and effeciently realize that dumbbell shaped passes Sensor is installing connection for the sealing under high temperature and/or hyperbaric environment.

Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement according to this, can not the scope of protection of the utility model be limited with this. All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it It is interior.

Claims (10)

1. a kind of cable sealing device, one end of the cable is installed with detecting head and extends downwardly into the environmental chamber of high-pressure bottle In, the other end of the cable is installed with leading-out terminal and outside the environmental chamber, which is characterized in that the cable seal dress Put including：

Matrix, the lower end of described matrix are offered in described matrix for being fixedly attached to the high-pressure bottle along upper Lower direction through extension matrix through hole, described matrix through hole include the first hole being pierced by for the leading-out terminal, with it is described First hole is connected and is located at the second hole above first hole, and the aperture in second hole is more than first hole, described Matrix forms confined planes in first hole and the second hole joint；

First gasket is circumferentially spliced by multiple first clout bodies, and first gasket has to be worn for the cable The first through hole crossed, first gasket are arranged on the confined planes；

Sealing shroud, the set sheet for including that can be axially fixed being plugged in second hole and being pressed on first gasket Body, the defining flange positioned at the set body upper end, it is described to cover the sealing for having on body and being pierced by for the leading-out terminal Sets of holes；

Sealing ring is set in the outside circumference of the cable and in the sealing sets of holes；

Second gasket is circumferentially spliced by multiple second clout bodies, and second gasket has to be worn for the cable The second through hole crossed, second gasket include the installation set being ordinatedly plugged in the sealing sets of holes, positioned at the installation Put on the press flange of end；

Retainer ring is circumferentially spliced by multiple retainer ring bodies, has the threeway passed through for the cable on the retainer ring Hole, the retainer ring is in up-small and down-big frustum, and the retainer ring is supported in the press flange；

Clamping nut, the clamping nut have the fourth hole being pierced by for the leading-out terminal, the hole of the fourth hole Footpath is more than the upper end diameter of the retainer ring and less than the lower end diameter of the retainer ring, and the upper end of the retainer ring is plugged in described the In four through holes, the clamping nut is set on the upper end of described matrix and is threadedly coupled with the upper end of described matrix.

2. cable sealing device according to claim 1, it is characterised in that：The cable sealing device, which further includes, to be set in Cooling jacket on the outside of described matrix in circumference forms cooling water cavity, the cooling between the cooling jacket and described matrix Also there is the intake tunnel and exhalant canal being connected with the cooling water cavity on water jacket.

3. cable sealing device according to claim 2, it is characterised in that：The sealing ring is O-ring seal, along described On the length extending direction of matrix, the cooling jacket is located at the lower section of the O-ring seal.

4. cable sealing device according to claim 2, it is characterised in that：The outside circumference of described matrix has vertically Spaced two collar flanges, the cooling jacket is in hollow tube-shape and is hermetically set in the collar flange described in two On, between the collar flange described in two and the inside peripheral wall of the cooling jacket, matrix outer perimeter wall between formed described in Cooling water cavity.

5. cable sealing device according to claim 2, it is characterised in that：Limiting block is also fixedly provided in described matrix Circle, the limit stop ring are located at the lower section of the cooling jacket.

6. cable sealing device according to claim 1, it is characterised in that：The defining flange of the sealing shroud compresses On the upper surface of described matrix, and it is tightly connected between the defining flange and the upper surface of described matrix by sealing element.

7. the cable sealing device according to claim 1 or 6, it is characterised in that：The set body of the sealing shroud with Second hole is mutually threadedly coupled.

8. cable sealing device according to claim 3, it is characterised in that：The O-ring seal is compressed in described It is mutually tightly connected with the cable and sealing shroud between one gasket and the second gasket.

9. cable sealing device according to claim 1, it is characterised in that：The press flange of second gasket with It is set between the defining flange of the sealing shroud with spacing.

10. cable sealing device according to claim 1, it is characterised in that：The lower end of described matrix is threaded in On the high-pressure bottle.